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When The Earth Doesn't Turn

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The Starmaker

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Jul 24, 2019, 12:05:29 PM7/24/19
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So, as everyone knows...eventually the earth will stop turning.

So does that mean there will always be a
dark side of the earth?

I guess that is where all the dark people will be living...



--
The Starmaker -- To question the unquestionable, ask the unaskable,
to think the unthinkable, mention the unmentionable, and challenge
the unchallengeable.

Libor Striz

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Jul 24, 2019, 12:15:16 PM7/24/19
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The Starmaker <star...@ix.netcom.com> Wrote in message:
> So, as everyone knows...eventually the earth will stop turning.So does that mean there will always be adark side of the earth?I guess that is where all the dark people will be living...

Only if Earth stopped orbiting as well.


--
Poutnik ( the Wanderer )



----Android NewsGroup Reader----
http://usenet.sinaapp.com/

The Starmaker

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Jul 24, 2019, 12:32:36 PM7/24/19
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Libor Striz wrote:
>
> The Starmaker <star...@ix.netcom.com> Wrote in message:
> > So, as everyone knows...eventually the earth will stop turning.So does that mean there will always be a dark side of the earth? I guess that is where all the dark people will be living...
>
> Only if Earth stopped orbiting as well.
>
> --
> Poutnik ( the Wanderer )
>
> ----Android NewsGroup Reader----
> http://usenet.sinaapp.com/



Doesn't turn means it stops spinning. Eventually the earth will stop spinning..stop spinning on it's axies, not stop orbitting the sun.



So, as everyone knows...eventually the earth will stop turning/spinning. So does that mean there will always be a dark side of the earth? I guess that is where all the dark people will be living...

Libor Striz

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Jul 24, 2019, 1:32:08 PM7/24/19
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The Starmaker <star...@ix.netcom.com> Wrote in message:


>> Only if Earth stopped orbiting as well.

> Doesn't turn means it stops spinning. Eventually the earth will stop spinning..stop spinning on it's axies, not stop orbitting the sun.So, as everyone knows...eventually the earth will stop turning/spinning. So does that mean there will always be a dark side of the earth? I guess that is where all the dark people will be living...

Again,
Only if Earth stopped orbiting as well.

Imagine a non-spinning tennis ball,
orbiting around a lamp.

Does it have a ( permanent ) dark side ?

No, it does not.
Its "day" last the same time as it's "year".

All places on a non-spinning Earth would have polar days and polar nights,
both deeper than is usual for poles.

Permanent darkness would require
synchronized orbiting and spinning,
as the Moon has.

That requires strong tidal forces,
that are much stronger for the Moon in Earth gravity
than for the Earth in the Sun gravity.

The Starmaker

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Jul 24, 2019, 1:34:21 PM7/24/19
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palsing wrote:
>
> On Wednesday, July 24, 2019 at 9:05:26 AM UTC-7, The Starmaker wrote:
>
> > So, as everyone knows...eventually the earth will stop turning.
>
> Why would this happen, in your view?
>
> In fact, while the Earth revolves around the Sun it will always rotate...
>
> https://en.wikipedia.org/wiki/Tidal_locking
>
> "... The length of the Earth's day would increase and the length of a lunar month would also increase. The Earth's sidereal day would eventually have the same length as the Moon's orbital period, about 47 times the length of the Earth's day at present. However, Earth is not expected to become tidally locked to the Moon before the Sun becomes a red giant and engulfs Earth and the Moon."
>
> Tell us again why the Earth will eventually stop rotating...


the moon is what makes the earth spin..when the moon moves away completely, the earth will stop...spinning. Am I wrong?

Mitch Raemsch

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Jul 24, 2019, 2:43:59 PM7/24/19
to
On Wednesday, July 24, 2019 at 9:05:29 AM UTC-7, The Starmaker wrote:
> So, as everyone knows...eventually the earth will stop turning.

Days will never end...
It could be hit but that would only average its
angular momentum; giving a continued rotation forever.

>
> So does that mean there will always be a
> dark side of the earth?

Only at night...

>
> I guess that is where all the dark people will be living...

We will still be living with God's creation of His gravity forever.

Mitchell Raemsch

reber G=emc^2

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Jul 24, 2019, 4:17:29 PM7/24/19
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On Wednesday, July 24, 2019 at 9:05:29 AM UTC-7, The Starmaker wrote:
285 more years and man will control Earth's spin and wobble.Will zap incoming meteors.Get to the moon in 258 minutes.Mars in three days Just for starters Bert

Mitch Raemsch

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Jul 24, 2019, 4:39:40 PM7/24/19
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Bad weather from Wobble would change the seasons...
Both don't exist. God is creating gravity.

Mitchell Raemsch

The Starmaker

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Jul 24, 2019, 5:56:59 PM7/24/19
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The Starmaker wrote:
>
> palsing wrote:
> >
> > On Wednesday, July 24, 2019 at 9:05:26 AM UTC-7, The Starmaker wrote:
> >
> > > So, as everyone knows...eventually the earth will stop turning.
> >
> > Why would this happen, in your view?
> >
> > In fact, while the Earth revolves around the Sun it will always rotate...
> >
> > https://en.wikipedia.org/wiki/Tidal_locking
> >
> > "... The length of the Earth's day would increase and the length of a lunar month would also increase. The Earth's sidereal day would eventually have the same length as the Moon's orbital period, about 47 times the length of the Earth's day at present. However, Earth is not expected to become tidally locked to the Moon before the Sun becomes a red giant and engulfs Earth and the Moon."
> >
> > Tell us again why the Earth will eventually stop rotating...
>
> the moon is what makes the earth spin..when the moon moves away completely, the earth will stop...spinning. Am I wrong?
>

as the moon moves away, the earth spin slows down...


the ocean waves eventually will stop...waving.


am i wrong?

Mitch Raemsch

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Jul 24, 2019, 6:04:49 PM7/24/19
to
On Wednesday, July 24, 2019 at 2:56:59 PM UTC-7, The Starmaker wrote:
> The Starmaker wrote:
> >
> > palsing wrote:
> > >
> > > On Wednesday, July 24, 2019 at 9:05:26 AM UTC-7, The Starmaker wrote:
> > >
> > > > So, as everyone knows...eventually the earth will stop turning.
> > >
> > > Why would this happen, in your view?
> > >
> > > In fact, while the Earth revolves around the Sun it will always rotate...
> > >
> > > https://en.wikipedia.org/wiki/Tidal_locking
> > >
> > > "... The length of the Earth's day would increase and the length of a lunar month would also increase. The Earth's sidereal day would eventually have the same length as the Moon's orbital period, about 47 times the length of the Earth's day at present. However, Earth is not expected to become tidally locked to the Moon before the Sun becomes a red giant and engulfs Earth and the Moon."
> > >
> > > Tell us again why the Earth will eventually stop rotating...
> >
> > the moon is what makes the earth spin..when the moon moves away completely, the earth will stop...spinning. Am I wrong?
> >
>
> as the moon moves away, the earth spin slows down...

That is rotation and it doesn't interact into
the distance... empty and then not...
That Action at a distance is a mistake.
Where is your measurement?

God is creating gravity.

Mitchell Raemsch
>
>

The Starmaker

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Jul 25, 2019, 1:09:00 PM7/25/19
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Brent Dalhaus wrote:
>
> Libor Striz wrote:
>
> >> Doesn't turn means it stops spinning. Eventually the earth will stop
> >> spinning..stop spinning on it's axies, not stop orbitting the sun.So,
> >> as everyone knows...eventually the earth will stop turning/spinning. So
> >> does that mean there will always be a dark side of the earth? I guess
> >> that is where all the dark people will be living...
> >
> > Again, Only if Earth stopped orbiting as well.
> > Imagine a non-spinning tennis ball, orbiting around a lamp.
>
> You must be kidding. Think again.


if you connect a stick from the tennis ball to the lamp...round it goes..always dark on the other side..try not thinking...

(use a little...physics)

olli...@gmail.com

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Jul 25, 2019, 1:12:27 PM7/25/19
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On Wednesday, July 24, 2019 at 11:05:29 AM UTC-5, The Starmaker wrote:
> So, as everyone knows...eventually the earth will stop turning.
>
> So does that mean there will always be a
> dark side of the earth?
>

Doesn't turn with respect to what? Moon? Sun? Universe?

Libor Striz

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Jul 25, 2019, 1:53:43 PM7/25/19
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olli...@gmail.com Wrote in message:
> On Wednesday, July 24, 2019 at 11:05:29 AM UTC-5, The Starmaker wrote:

> Doesn't turn with respect to what? Moon? Sun? Universe?

Rotation, in contrary to translation, is absolute*.

Interferometers based on Sagnac effect measures absolute angular speed/velocity.

So do fictitious forces like Coriolis one relate to absolute rotation.

* at least in classical physics. In ToR, this value depends on mutual speed wrt observers.

reber G=emc^2

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Jul 25, 2019, 3:21:14 PM7/25/19
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Time to leave Earth when only one side faces the Sun.Ooops the Sun's 4.5 years is up.Bert

The Starmaker

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Jul 25, 2019, 5:22:01 PM7/25/19
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Brent Dalhaus wrote:
>
> The Starmaker wrote:
>
> > Brent Dalhaus wrote:
> >> Libor Striz wrote:
> >> >> Doesn't turn means it stops spinning. Eventually the earth will stop
> >> >> spinning..stop spinning on it's axies, not stop orbitting the
> >> >> sun.So,
> >> >> as everyone knows...eventually the earth will stop turning/spinning.
> >> >> So does that mean there will always be a dark side of the earth? I
> >> >> guess that is where all the dark people will be living...
> >> >
> >> > Again, Only if Earth stopped orbiting as well.
> >> > Imagine a non-spinning tennis ball, orbiting around a lamp.
> >>
> >> You must be kidding. Think again.
> >
> > if you connect a stick from the tennis ball to the lamp...round it
> > goes..always dark on the other side..try not thinking...
>
> That's still spinning wrt to Sun.

I wrote above: "stop spinning on it's axies"

i also wrote above: "not stop orbitting"





>
> > (use a little...physics)
>
> Your little physics not suffices.

The Starmaker

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Jul 26, 2019, 2:10:08 AM7/26/19
to
The Starmaker wrote:
>
> So, as everyone knows...eventually the earth will stop turning.
>
> So does that mean there will always be a
> dark side of the earth?
>
> I guess that is where all the dark people will be living...


Okay, I need to step back because I was under the assumption everyone knows it is our Moon that makes our Earth...spin.

When the moon pulls the earth to create tides...at the same time it causes the earth to...spin.

You know, go round and round on it's own axis...spin...like a top.

The pull by the moon is spinning the earth.


Now, as the moon slowly leaves our solar system...away from the earth...

the earth slows down, slow spinning..

eventually the earth stops spinning.


Now, what part of this you don't understand???


If you spin a ball, it ...spins.

If you stop spinning the ball...it's stops spinning.


Now, what part of this you don't understand???



Dare I ask?

Libor Striz

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Jul 26, 2019, 11:15:24 AM7/26/19
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The Starmaker <star...@ix.netcom.com> Wrote in message:
> the moon is what makes the earth spin..when the moon moves away completely, the earth will stop...spinning. Am I wrong?

Yes, you are.
The Moon does exactly the opposite.

The Moon is very slowly stop Earth to spin via tidal force.

The Earth on the other hand gives its rotation energy to Moon,
pushing Moon to higher orbits.

But is is very tiny effect.

The Starmaker

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Jul 27, 2019, 1:20:06 AM7/27/19
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Mitch Raemsch wrote:
>
> On Thursday, July 25, 2019 at 11:10:07 PM UTC-7, The Starmaker wrote:
> > The Starmaker wrote:
> > >
> > > So, as everyone knows...eventually the earth will stop turning.
> > >
> > > So does that mean there will always be a
> > > dark side of the earth?
> > >
> > > I guess that is where all the dark people will be living...
> >
> >
> > Okay, I need to step back because I was under the assumption everyone knows it is our Moon that makes our Earth...spin.
> >
> > When the moon pulls the earth to create tides...at the same time it causes the earth to...spin.
> >
> > You know, go round and round on it's own axis...spin...like a top.
> >
> > The pull by the moon is spinning the earth.
> >
> >
> > Now, as the moon slowly leaves our solar system...away from the earth...
> >
> > the earth slows down, slow spinning..
> >
> > eventually the earth stops spinning.
> >
> >
> > Now, what part of this you don't understand???
> >
> >
> > If you spin a ball, it ...spins.
> >
> > If you stop spinning the ball...it's stops spinning.
>
> Balls roll in a round motion that has slow rate and a kinetic energy.
> Roll is like rotation but is not a rotation.
> An inclined plane braces rolling motion.
> God is creating gravity.


The Moon spins the earth in the exact way a person spins a ball...


you put one finger behing the bal, and the other finger in the front of the ball...

and you force your finger behind the ball to pull the ball to the right...

the Moon pulls the earth from behind and pulls...


i mean, i'm gettin the impression yous don't understand the 'function' of the Moon...it is a machine.



It has many functions...

it makes rain
it makes oceans
it ...

spins the earth...

Daniel60

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Jul 27, 2019, 10:00:42 AM7/27/19
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The Starmaker wrote on 25/07/2019 2:05 AM:
> So, as everyone knows...eventually the earth will stop turning.
>
> So does that mean there will always be a dark side of the earth?

What are you on about .... there already is a dark side of The Earth!! ;-P

--
Daniel

Dorothy J Heydt

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Jul 27, 2019, 11:25:03 AM7/27/19
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In article <qhhle5$69u$1...@dont-email.me>,
Daniel60 <dani...@eternal-september.org> wrote:
>The Starmaker wrote on 25/07/2019 2:05 AM:
>> So, as everyone knows...eventually the earth will stop turning.
>>
>> So does that mean there will always be a dark side of the earth?

I think you're thinking of a "phase-locked" state, in which the
Earth would always turn the same side towards the sun. At that
point, yes, there would be a dark side of the Earth, just as
there is a side of the Moon that never sees the Earth.

But there is no "dark side of the Moon," because the Moon circles
the Earth and shows now one face, now another, towards the Sun.

Possibly you saw _Close Encounters_ once upon a time and
misunderstand the scientists referring to their secret base in
Montana as "the dark side of the moon"? That's a metaphor, which
is a figure of speech where you say A and really mean B.

Metaphor is a rich and productive part of writing, especially
poetry. Dante's _Commedia_ is a gigantic metaphor on four
levels. But here's a short metaphor, short enough for me to
quote:

The Rose Family

The rose is a rose,
And was always a rose.
But the theory now goes
That the apple's a rose,
And the pear is, and so's
The plum, I suppose.
The dear only knows
What will next prove a rose.
You, of course, are a rose--
But were always a rose.

-- Robert Frost

The first eight lines describe various members of the Rosaceae.
The last two lines are a metaphor.
>
>What are you on about .... there already is a dark side of The Earth!! ;-P

Well, yes. It just keeps moving around.

Cf. "You, Andrew Marvell," too long to quote so here's a link.

https://www.poetryfoundation.org/poems/43003/you-andrew-marvell

--
Dorothy J. Heydt
Vallejo, California
djheydt at gmail dot com
www.kithrup.com/~djheydt/

The Starmaker

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Jul 27, 2019, 12:50:14 PM7/27/19
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But you my Dear are of the science fiction community..

the rest of these 'scientist' in the other communities cannot *imagine*

"a "phase-locked" state, in which the Earth would always turn the same side towards the sun."


..and they haven't received permission to... think.

Libor Striz

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Jul 27, 2019, 2:12:46 PM7/27/19
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The Starmaker <star...@ix.netcom.com> Wrote in message:
> But you my Dear are of the science fiction community..the rest of these 'scientist' in the other communities cannot *imagine* "a "phase-locked" state, in which the Earth would always turn the same side towards the sun."..and they haven't received permission to... think.

Earth in the phase-locked state would still turn, as Moon does.

The Starmaker

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Jul 27, 2019, 6:18:11 PM7/27/19
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turn on it's axis or the around the sun?

The Starmaker

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Jul 27, 2019, 11:07:06 PM7/27/19
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Okay, i gotta step back again cause some of yous dont understand the Subject Heading...


When The Earth Doesn't Turn is a play on the words title of a tvee soap opera called:


"As The World Turns"

where the intro is a video of the earth turning on it's axis.


https://www.youtube.com/watch?v=GDDHcN75HnU




(i bet you girls wait for the light to turn Green before you cross the street....)

Sylvia Else

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Jul 27, 2019, 11:25:27 PM7/27/19
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On 25/07/2019 2:05 am, The Starmaker wrote:
> So, as everyone knows...eventually the earth will stop turning.
>
> So does that mean there will always be a
> dark side of the earth?
>

It will be engulfed by the expanding sun before that happens, and the
Earth will certainly become uninhabitable first, because the sun is
getting hotter.

Unless humans find a way to move the Earth.

Sylvia.

Libor Striz

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Jul 28, 2019, 1:17:23 AM7/28/19
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The Starmaker <star...@ix.netcom.com> Wrote in message:

>> Earth in the phase-locked state would still turn, as Moon does.

> turn on it's axis or the around the sun?

I would use the verb orbit for the latter.

Daniel60

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Jul 28, 2019, 2:00:18 AM7/28/19
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Dorothy J Heydt wrote on 28/07/2019 1:08 AM:
> In article <qhhle5$69u$1...@dont-email.me>,
> Daniel60 <dani...@eternal-september.org> wrote:
>> The Starmaker wrote on 25/07/2019 2:05 AM:
>>> So, as everyone knows...eventually the earth will stop turning.
>>>
>>> So does that mean there will always be a dark side of the earth?
>
> I think you're thinking of a "phase-locked" state,

No, I'm not thinking of a "phase-locked" state, just that where I am NOW
it is light, whereas where you are it is probably dark!!

--
Daniel

Daniel60

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Jul 28, 2019, 2:02:31 AM7/28/19
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.... or move well and truly off the Earth!!
--
Daniel

benj

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Jul 28, 2019, 8:28:32 AM7/28/19
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No problem Sylvia. In Starfakers world of Journo-science all you need to
do is IMAGINE something and it becomes reality! Can you imagine the
earth stopping? I can!

Dorothy J Heydt

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Jul 28, 2019, 11:46:17 AM7/28/19
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In article <qhjdle$1qv$1...@dont-email.me>,
Where do you live, Daniel? I'm in California, and it's 8:25 PDT,
and the sun's been up for a couple of hours. Also, remember that
your NOW when you posted is not the same NOW as when I'm reading
your post.

But yes, as long as the Sun shines, part of the Earth will be in
shadow, off and on. Cf. "You, Andrew Marvell," to which I linked
a while back.

Dorothy J Heydt

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Jul 28, 2019, 11:46:17 AM7/28/19
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In article <qhjdpi$1qv$2...@dont-email.me>,
Well, yes. Did you ever read C. S. Lewis's _Out of the Silent
Planet_, in which the protagonist is kidnapped off-planet and
discovered that interplanetary space was always full of light?
"I thought that space was cold and dark," he says at one point,
and his kidnapper says contemputously, "Forgotten the Sun?"

Of course, Lewis was a classical scholar, not a physicist or an
astronomer, and didn't realize that on Earth we see the Sun's
light diffused through the atmosphere. It's a nice image,
though, even if inaccurate.

The Starmaker

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Jul 28, 2019, 2:11:11 PM7/28/19
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The Starmaker wrote:
>
> So, as everyone knows...eventually the earth will stop turning.
>
> So does that mean there will always be a
> dark side of the earth?
>
> I guess that is where all the dark people will be living...
>


I'm gettin the impression that yous don't believe the 'fact' that the Moon affects the spin of the earth on it's own axis. I'M DUMBFOUNDED!


I found dummies.

Daniel60

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Jul 29, 2019, 9:16:03 AM7/29/19
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Dorothy J Heydt wrote on 29/07/2019 1:27 AM:
> In article <qhjdle$1qv$1...@dont-email.me>,
> Daniel60 <dani...@eternal-september.org> wrote:
>> Dorothy J Heydt wrote on 28/07/2019 1:08 AM:
>>> In article <qhhle5$69u$1...@dont-email.me>,
>>> Daniel60 <dani...@eternal-september.org> wrote:
>>>> The Starmaker wrote on 25/07/2019 2:05 AM:
>>>>> So, as everyone knows...eventually the earth will stop turning.
>>>>>
>>>>> So does that mean there will always be a dark side of the earth?
>>>
>>> I think you're thinking of a "phase-locked" state,
>>
>> No, I'm not thinking of a "phase-locked" state, just that where I am NOW
>> it is light, whereas where you are it is probably dark!!
>>
> Where do you live, Daniel?

I'm in Australia, and I don't usually get on-line until about 7p.m. but
yesterday, I was on-line earlier (mid-afternoon), as I was out for the
evening, watching "Apollo 11" movie on a bbbiiiiigggg screen! WOW!!

> I'm in California, and it's 8:25 PDT,
> and the sun's been up for a couple of hours. Also, remember that
> your NOW when you posted is not the same NOW as when I'm reading
> your post.

Yeap, my newsreader shows you made your post at 1:27a.m., my time. ;-)

> But yes, as long as the Sun shines, part of the Earth will be in
> shadow, off and on. Cf. "You, Andrew Marvell," to which I linked
> a while back.
--
Daniel

Daniel60

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Jul 29, 2019, 9:19:51 AM7/29/19
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No, I haven't read it .... and I thought C. S. Lewis was a kid's book
author ... Alice in Wonderland, etc..

--
Daniel

Scott Lurndal

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Jul 29, 2019, 9:21:23 AM7/29/19
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djh...@kithrup.com (Dorothy J Heydt) writes:

>
>But there is no "dark side of the Moon," because the Moon circles
>the Earth and shows now one face, now another, towards the Sun.

"There is no dark side of the Moon really. Matter of fact it's all dark"

olli...@gmail.com

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Jul 29, 2019, 10:22:51 AM7/29/19
to
On Wednesday, July 24, 2019 at 11:05:29 AM UTC-5, The Starmaker wrote:
> So, as everyone knows...eventually the earth will stop turning.
>
> So does that mean there will always be a
> dark side of the earth?
>

The earth will be engulfed (vaporized) by our red giant sun long before it's rotation slows enough to have one side facing the sun. Furthermore, life as we know it may not extend into the future more than a couple of centuries at the most.

D B Davis

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Jul 29, 2019, 11:08:04 AM7/29/19
to
Excellent imagery on your part! Most space is indeed a cold darkness
punctuated by blinding pinpoints of light.



Thank you,

--
Don )\._.,--....,'``.
/, _.. \ _\ (`._ ,.
My cat's tail tells tales. `._.-(,_..'--(,_..'`-.;.'


Dorothy J Heydt

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Jul 29, 2019, 12:10:02 PM7/29/19
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In article <qhmrph$na1$1...@dont-email.me>,
Well, I trust you do know that _Alice in Wonderland_ was written by
Charles Dodgson, also an academic, under the pseud Lewis Carroll.

Lewis wrote the seven Narnia books for children, the first
dedicated to his goddaughter. He also wrote on medieval
literature and the history of medieval thought, and a whole
slew of popular-level books on Christian theology, beginning
with _Mere Christianity_ (where "mere" means "lowest common
denominator"), which began as a series of radio lectures intended
for servicement in WWII.

I assume they were recorded for rebroadcast by the BBC; I wonder
if the recordings still exist. I'd love to hear them, for I
understand that Lewis had a big, booming voice, and that his
colleague Tolkien gave (a description of) his voice to Treebeard
in _The Lord of the Rings._ ("Hoom!")

reber G=emc^2

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Jul 29, 2019, 2:40:58 PM7/29/19
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Why is the Sun getting hotter?Brt

Daniel60

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Jul 30, 2019, 7:35:38 AM7/30/19
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Yeap!! That's the line!!

--
Daniel

Daniel60

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Jul 30, 2019, 7:39:48 AM7/30/19
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Ah!! Well, there you go!! I'm more (or should that be "I was") a Sci-Fi
reader than anything else ..... and haven't done much of that in the
last 15-20 years!! ;-(

--
Daniel

casagi...@optonline.net

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Jul 30, 2019, 8:04:22 AM7/30/19
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> So, as everyone knows...eventually the earth will stop turning.
>

Absolutely false !


The Starmaker

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Jul 30, 2019, 12:40:15 PM7/30/19
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Anything the 'science community' puts out is science fiction...they just have another word for it, "theories".

For example: Life on other planets, Science or Science Fiction?

For example: Time Travel, Science or Science Fiction?

The Starmaker

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Jul 30, 2019, 12:42:08 PM7/30/19
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I can see the Moon at night without using a flashlight...

a425couple

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Jul 30, 2019, 11:03:17 PM7/30/19
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On 7/24/2019 9:05 AM, The Starmaker wrote:
> So, as everyone knows...eventually the earth will stop turning.
>
> So does that mean there will always be a
> dark side of the earth?
>
> I guess that is where all the dark people will be living...
>
OK,,,, here is one citation.
But, since it's over 1 Billion years away,
I do not think humans need to fear.

https://www.forbes.com/sites/trevornace/2018/08/20/dont-worry-california-plate-tectonics-on-earth-will-halt-in-just-1-45-billion-years/#29f10de857d3

Don't Worry California: Plate Tectonics On Earth Will Halt In Just 1.45
Billion Years

Trevor Nace Senior Contributor
Science

The San Andreas Fault in the Carrizo Plain of California. WIKIPEDIA
Make sure you pencil this into your long-term calendar, estimates place
the death of plate tectonics here on Earth at 1.45 billion years from now.

The existence of plate tectonics on Earth makes it quite unique,
bringing with it a constant recycling of material and gasses, along with
the creation of mountains, earthquakes, volcanoes, and topography. Our
love/hate relationship with plate tectonics will come to an unfortunate
end according to a new study published in the journal Gondwana Research.

Qiuming Cheng, a geologist with the China University of Geosciences took
what we know about Earth's history and how plate tectonics has evolved
over the past several billions of years to project what we can expect
into the future.

The polynomial modeled result estimated plate tectonics would cease
around 1.45 billion years from now. The model sought out to determine
the future evolution of Earth's mantle, the driving mechanism for plate
tectonics. By examining the tectonic history of Earth, Cheng found that
both the intensity and periodicity of magmatic activities has declined
over the past 3 billion years, laying out a framework for the rate of
cooling within Earth's interior.

Global map of plate tectonics.
Global map of plate tectonics. USGS
By extrapolating how quickly Earth has cooled in the past, Cheng modeled
a nonlinear cooling into the future. The extrapolation placed the death
of plate tectonics in the year 1,450,002,018. While we clearly need not
worry about an event occurring over a billion years from now, scientists
can use our understanding of the impacts of a plate tectonic-less world
to study other planets.

What Would Happen If Plate Tectonics Stopped?

When plate tectonics does stop here on Earth, the world will quickly
(geologically) be a very different place than it is today. First, we can
all welcome the end of earthquakes and volcanoes as the mantle will be
too cool for molten rock to move beneath Earth's crust. As the plates
cease moving the world will essentially be frozen in time in its current
configuration, i.e. no more supercontinents, the opening of oceans, or
growing mountain ranges.

Erosion will become the primary factor in controlling Earth's surficial
features, grinding down mountains and sending that sediment into oceans.
Eventually, the tallest mountains on Earth will be eroded down to small
rolling hills. However, the mountains have not simply disappeared, they
were transported largely into Earth's oceans. This would cause oceans to
fill up with sediment to a much larger extent compared to today. The
filling of oceans by eroding mountains would cause sea level to rise.
This, in conjunction with the lack of mountains, could lead to flooding
across large expanses of continents. In essence, Earth could turn into a
water world.

Ocean
There are big question marks as to what Earth would do to release heat
from radioactive decay within Earth's interior. Currently, it does so
through plate tectonics and volcanism but if those cease, another avenue
of heat release would likely pick up. In addition, the regulation of
gases within Earth's atmosphere would change significantly as plate
tectonics is a primary factor in the recycling of carbon dioxide gas
from the atmosphere and into Earth's interior.

Follow me on Twitter or LinkedIn. Check out my website.
Trevor Nace
I am a geologist passionate about sharing Earth's intricacies with you.
I received my PhD from Duke University where I studied the geology and
climate of the Amazon. I a... Read More

The Starmaker

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Jul 31, 2019, 1:09:27 AM7/31/19
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For example: Life on other planets, ...there is no reason why life would be on another planets, (except to sell science fiction books).


I don't see anything on earth that needs to be replicated elsewhere....

or, that the universe feels it wants another copy of earth elsewhere, or anything similar to it.


I'm not even sure if everyone on earth is suppose to be here...


(certaintly a few here should have never been here because...what for?)

The Starmaker

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Jul 31, 2019, 1:20:26 AM7/31/19
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The Starmaker wrote:
>
> Daniel60 wrote:
> >
> > Scott Lurndal wrote on 29/07/2019 11:21 PM:
> > > djh...@kithrup.com (Dorothy J Heydt) writes:
> > >
> > >>
> > >> But there is no "dark side of the Moon," because the Moon circles
> > >> the Earth and shows now one face, now another, towards the Sun.
> > >
> > > "There is no dark side of the Moon really. Matter of fact it's all dark"
> > >
> > Yeap!! That's the line!!
> >
> > --
> > Daniel
>
> I can see the Moon at night without using a flashlight...


...and eventually 30 days a month will be 365 days a month...
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