Google Groups no longer supports new Usenet posts or subscriptions. Historical content remains viewable.
Dismiss
Meteorite could have triggered past episode of climate change
3 views
Skip to first unread message
Sam Wormley
May 23, 2013, 12:05:37 AM5/23/13
to
Meteorite could have triggered past episode of climate change
> http://blogs.physicstoday.org/newspicks/2013/05/meteorite-could-have-triggered-past-episode-of-climate-change/
> A period of significant global cooling called the Younger Dryas,
> which occurred between 12 800 and 11 500 years ago may have been
> caused by a meteorite explosion and impact. James Wittke of Northern
> Arizona University and his colleagues examined carbon spherules from
> 18 archeological sites worldwide, dating to 12 800 years ago. They
> found that the spherules were formed by sediments melting at
> temperatures of 2200 °C.
> http://blogs.physicstoday.org/newspicks/2013/05/meteorite-could-have-triggered-past-episode-of-climate-change/
> A period of significant global cooling called the Younger Dryas,
> which occurred between 12 800 and 11 500 years ago may have been
> caused by a meteorite explosion and impact. James Wittke of Northern
> Arizona University and his colleagues examined carbon spherules from
> 18 archeological sites worldwide, dating to 12 800 years ago. They
> found that the spherules were formed by sediments melting at
> temperatures of 2200 °C.
7
May 23, 2013, 4:05:41 PM5/23/13
to
Sam Wormley wrote:
> Meteorite could have triggered past episode of climate change
News at 10.
> Meteorite could have triggered past episode of climate change
More out of date known to science Wormly off
topic climate trolls to follow you lucky denier physcists you;
denying every climate troll sent out climate spewdo scientits.
0 new messages