The release of the Gaia space telescope’s Early Data Release 3 has paved the way for a 3D map of the Milky Way, a glimpse at its history, and the acceleration of our own solar system. Plus, Alaskan volcanoes, the sound of a perfect fluid, bending light with the Sun, the Stingray Nebula fades, and yes, that really was a Centaur rocket booster captured by the Earth. And we announce our first CosmoQuest Book Club selection!

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

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It’s time for school! The Astro101 series will cover some of the most important questions in astronomy. In today’s lesson, we’ll have: What’s the difference between a “dwarf” and “giant” star? How are stars born? What happens when stars die? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter
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Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!

Big thanks to my top Patreon supporters this month: Justin G, Matthew K, Chris L, Barbara K, Duncan M, Corey D, Justin Z, Neuterdude, Nate H, Andrew F, Naila, Aaron S, Scott M, Rob H, David B, Frank T, Tim R, Alex P, Tom Van S, Mark R, Alan B, Craig B, Richard K, Steve P, Dave L, Chuck C, Stephen M, Maureen R, Stace J, Neil P, lothian53 , COTFM, Stephen S, Ken L, Debra S, Alberto M, Matt C, Ron S, Stephen J, Joe R, Jeremy K, David P, Norm Z, Ulfert B, Robert B, Fr. Bruce W, Catherine R, Nicolai B, Sean M, Edward K, Callan R, Darren W, JJ_Holy, Tracy F, Tom, Sarah K, Bill H, Steven S, Jens O, Ryan L, Ella F, Richard S, Sam R, Thomas K, James C, Jorg D, R Larche, Syamkumar M, John S, db8y97, Fred S, Howard A, Homer V, Mark D, Brianna V, Becky L, Colin B, Arthur, Bruce A, Steven M, Brent B, Bill E, Jim L, Tim Z, Wayne B, Thomas W, and Linda C!

Music by Jason Grady and Nick Bain. Thanks to Cathy Rinella for editing.

Hosted by Paul M. Sutter, astrophysicist and the one and only Agent to the Stars (http://www.pmsutter.com).

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https://youtu.be/BuoDoceXbrI

All eyes are on the Moon. We're going back, this time to stay, right? One of the best resources on the Moon will be the lava tubes that criss-cross the subsurface of the Moon. These can provide protection from space, and a look at the geologic history of the Moon, and they can be enormous!

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

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Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org

Today's 2 topics:

- Four days after it made its closest approach to Earth, I found a 10 foot diameter asteroid with the NASA funded University of Arizona 60 inch telescope on Mt. Lemmon.

- Humans know of approximately half million main belt asteroids orbiting the Sun between Mars and Jupiter.  We have also found approximately 11,000 Earth approaching asteroids.

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].

CK Vul was first observed hundreds of years ago and thought to be a nova. Modern observations have called this into question. In this podcast, Tom Geballe tells us about recent observations with the Gemini International Observatory which deepen the mystery of CK Vul.

Bio: Rob Sparks is in the Communications, Education and Engagement group at NSF’s NOIRLab.

Tom Geballe is retired from the Gemini International Observatory and he is still an active researcher.

Website(s) you want to have a link to:

https://noirlab.edu/public/news/noirlab2029/

NOIRLab social media channels can be found at:

https://www.facebook.com/NOIRLabAstro

https://twitter.com/NOIRLabAstro

https://www.instagram.com/noirlabastro/

https://www.youtube.com/noirlabastro

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

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https://youtu.be/d3_CZD2PhhA

Host: Fraser Cain ( @fcain )
Special Guest: We are pleased to once again welcome Casey Dreier from the Planetary Society to the WSH. Casey will update us (as much as possible) about Space Policy changes that may occur once the new American Presidential administration takes office on January 20, 2021.

As Chief Advocate, Casey is the public face of The Planetary Society's efforts to advance planetary exploration, planetary defense, and the search for life. He educates and empowers the organization's members to take political action. He writes, teaches, and speaks to The Society's members, the public, and policymakers to impress upon them the importance, relevancy, and excitement of space exploration.

Casey is committed to demystifying the politics and policy process behind space exploration for all audiences. He is a trusted source for journalists and has been featured in many publications, including The New York Times, The Washington Post, The Atlantic, Scientific American, Vox, and The Verge, to name a few. He also has appeared as an expert on BBC News and both seasons of National Geographic's MARS series as a "MARS Big Thinker".

As Senior Space Policy Adviser Casey helps lead the strategic planning of The Society's policy and advocacy efforts. He works closely with The Society's leadership, its Board of Directors, and other policy experts to craft the organizational positions and goals regarding the future of space exploration. He provides trusted analysis of the budgetary, political, and policy decisions relating to space, pursues original research, and works collaboratively to generate policy ideas and guidance for the U.S. space program.

Casey is a regular contributor to The Planetary Report, co-hosts the monthly Space Policy Edition podcast of Planetary Radio, and regularly publishes space policy analysis and insights on planetary.org.

Be sure to tune in to Planetary Radio: Space Policy Edition (https://www.planetary.org/planetary-r...) to stay up to date with space policy around the world.

Regular Guests:

Pam Hoffman ( http://spacer.pamhoffman.com/ / http://everydayspacer.com/ & @EverydaySpacer )

Chris Carr ( @therealccarr )

Allen Versfeld ( http://www.urban-astronomer.com / @uastronomer )

This week's stories:

- A galaxy that was stripped of its dark matter.

- All the craziness coming in amateur astronomy.

- The formation of the Moon.

- Hyabusa 2!

- Chang'e-5 mission.

- Starship SN8 launch.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

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Once again, we find that dust is the culprit, this time causing a black hole to cast shadows out from the heart of its galaxy. Plus, a megaflood on ancient Mars, a fossil galaxy in the Milky Way, another minimoon for Earth, newborn jets and more.

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].

– What’s the latest with the James Webb Space Telescope?

Alas the James Webb Space Telescope is becoming a tale of woe. There were high hopes of maintaining its 2018 launch date, up until around September 2017 – when the launch date was shifted to 2019, then it was shifted to 2020.

– Who will make it back to the Moon first?

So, which nation will land a human back on the Moon first? It’s still looking like the US, since they really are building the Space Launch System and the Orion spacecraft.

We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

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Hosted by Charles Fulco.

Welcome to Science@Home Interview, your twice monthly source for the latest happenings in Astronomy, by the people who make them happen!

Our guest is Dan McGlaun, a mathematician from Purdue University.

http://www.eclipse2024.org

Charles is also joined by Jim, Ann, Andreas, Mark Margolis and others.

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https://youtu.be/VxGKzE7bTvs

So the Moon is about to become a very busy place with multiple countries and private companies planning missions in the next few years. It's been decades since the Outer Space Treaty was negotiated. It's time for the Artemis Accords!

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The 365 Days of Astronomy Podcast is produced by Astrosphere New Media. http://www.astrosphere.org/

Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].