February Astronomy Events and the Death Valley Dark Sky Festival

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Caltech Astro Outreach

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Feb 14, 2025, 5:09:53 PMFeb 14
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Astronomy enthusiasts,

We have a number of astronomy outreach events over the next few weeks (including tonight!), which are listed below. As always, these events are free and open to all, no reservations necessary. For more information about these events, including directions, please visit our Caltech Astro Outreach website. Happy Valentine's Day, everyone!

Friday, February 14 (TONIGHT) @ 8:00PM
Stargazing Lecture
Powerful Jets from Supermassive Black Holes
Cahill Center for Astrophysics, Caltech Campus
Postdoctoral Fellow Martijn Oei, Caltech
YouTube Livestream Link

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How do supermassive black holes power jets that burst out of galaxies deep into intergalactic space, spanning hundreds of times the size of our Milky Way? Join us for a 30-minute lecture about these jets by one of the co-discoverers of Porphyrion, the record-breaking largest galactic jet, followed by a panel Q&A consisting of several astrophysicists to answer your questions about astronomy and space science. Event will be held both in-person as well as live-streamed on YouTube Live.

"Consider how the sky would look if you could see it in radio waves. Instead of stars, you would see a vista of strange behemoths, many of them appearing larger than the sun and the moon in our sky. These are cosmic fireworks left by powerful jets that originate from spinning black holes at the cores of galaxies. In this talk, we introduce Porphyrion, a record-breaking jet pair that my team at Caltech recently co-discovered using the Keck I Telescope on Hawaiʻi. Each jet spans a distance of about 100 times the size of our Milky Way. Even at a distance of ten billion light years, it appears to us as large as half the moon in our sky! We will also discuss how jets form (and what this reveals about black hole dining habits), how jets journey into the depths of intergalactic space, and what violent effects jets have on galaxy evolution and cosmology."

Friday-Sunday, February 21-23
Death Valley Dark Sky Festival
Death Valley National Park, California


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Caltech Astronomy is once again teaming up with the National Park Service to help host the Death Valley Dark Sky Festival in a month.  This weekend will feature science demonstrations, public-level astronomy presentations, field walks with scientists, Astronomy on Tap events, and telescope viewing in some of the darkest skies in California. The whole event is free once you have gained entrance to the national park.  Caltech will be hosting two Astronomy on Tap nights (see below), an astrophysicist Q&A panel, a lecture on energy transfer in our universe by Dr. Cameron Hummels, and various science demonstrations and solar telescope viewing.  We hope to see you out there!  For more information about the event including a schedule, see the Death Valley NP website.

Friday, February 21 @ 7:30PM
Astronomy on Tap @ Death Valley Dark Sky Festival
Can We Send Spacecraft to Exoplanets? (Mike Kelzenberg)
Galaxy Clusters Collide: The Most Energetic Events since the Big Bang (Emily Silich)
Badwater Saloon, Stovepipe Wells, Death Valley National Park

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This very special Astronomy on Tap will be held at the historic Badwater Saloon in Stovepipe Wells at Death Valley National Park as part of the Death Valley Dark Sky Festival. We'll have two science talks, astronomy-themed pub trivia, and telescopes set up for guided stargazing! Arrive early to ensure you get seats at this popular event. For more information about the event including a schedule, see the Death Valley NP website. Despite occurring at an outdoor bar/restaurant, these events are open to all ages and free to all, no reservations needed.  

Saturday, February 22 @ 7:30PM
Astronomy on Tap @ Death Valley Dark Sky Festival
Cannibal Galaxies (Delaney Dunne)
Photographing Distant Alien Worlds (Aniket Sanghi)

Wildrose Tavern, Furnace Creek, Death Valley National Park

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This very special Astronomy on Tap will be held at the Wildrose Tavern at Furnace Creek in Death Valley National Park as part of the Death Valley Dark Sky Festival. We'll have two science talks, astronomy-themed pub trivia, and telescopes set up for guided stargazing Arrive early to ensure you get seats at this popular event. For more information about the event including a schedule, see the Death Valley NP website. Despite occurring at an outdoor bar/restaurant, these events are open to all ages and free to all, no reservations needed.  

Monday, February 24 @ 7:30PM
Astronomy on Tap
The Life of the Sun (Antonio Rodriguez)
Gravitational Lensing (Mandy Chen)

Dog Haus Biergarten, Pasadena

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How did our Sun form, and what will it become at the end of its life? What are gravitational lenses, and how do they allow us to see matter, which would otherwise be invisible? Join us Monday, February 24th at 7:30PM as we discuss these topics and more at our next Astronomy on Tap. We'll host two ~20 minute talks, Q&A, and then follow it up with interactive, astronomical pub trivia, live rock music, and guided stargazing with telescopes! Despite occurring at an outdoor bar/restaurant, these events are open to all ages and free to all, no reservations needed.  

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Recent lectures and Astronomy on Tap events have been recorded. Check them out on our Caltech Astro YouTube channel. Please see our website for photos of past events, directions, and more information: http://outreach.astro.caltech.edu .

Cameron


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