From February 4, 2022.

New simulations find that to form a moon with a similar size ratio to our own system, certain types of planets are needed. And that type of moon-planet system could then be beneficial to the rise of life on the planet. Plus, a Starlink launch, puffy planets, and training astronauts underwater for spacewalks.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. [email protected]

- About 6,000 stars are visible to the unaided eye and some even in the day

- Eric Saw eta Cassiopeia in the Calgary Centre 14-inch they retrofitted

- Milky Way - Walter Scott Houston - Shadows

- What’s the faintest thing you can see?

- Moon - TWS - Copernicus? Libration 15:32 Young Moon Record

- Planets - Jupiter's Satellites. 

- Belt of Venus

- Crepuscular Rays / Heat Lighting / Noctilucent Clouds, Aurora

- Comets

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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

Dr. Joyful Elma Mdhluli is a Fellow at The Office of Astronomy for Development (OAD). The OAD is a joint project of the International Astronomical Union and the NRF, with the support of the Department of Science and Innovation, and is operated by NRF-SAAO. Dr. Mdhluli also received funding from the NRF for her Master’s and PhD studies.

Mike Simmons is the founder of Astronomy for Equity ( https://bmsis.org/astro4equity/ ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website is developed.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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

What is an axion? How could axions make a star, and what does that have to do with dark matter? What would these stars look like? I discuss these questions and more in today’s Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter

All episodes: http://www.AskASpaceman.com

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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, Chris L, Alberto M, Duncan M, Corey D, Robert B, Michael P, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Mike G, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, wahtwahtbird, Lisa R, Couzy, Kevin B, Michael B, Aileen G, Toho W, Steven W, Brian O, Mark R, Alan B, Craig B, Mark F, Richard K, Stace J, Stephen J, Joe R, David P, Sean M, Tracy F, Sarah K, Ella F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Bill E, Tim Z, Linda C, The Tired Jedi, Gary K, David W, dhr18, Lode D, Bob C, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Reinaldo A, Sheryl, David W, Sue T, Josephine K, Chris, Michael S, Erlend A, James D, Larry D, Matt K, Charles, Karl W, Den K, George B, Tom B, Edward K, Catherine B, John M, Craig M, and Scott K!

Hosted by Dr. Paul M. Sutter.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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https://www.youtube.com/watch?v=h1otvUdIYe8

Streamed live on Feb 10, 2025.

What time is it? OK, fine, what time is it on the Moon? The Moon orbits the Earth, so it doesn’t fall into a specific time zone. Also, there’s lower gravity on the surface of the Moon, which changes the rate that clocks tick. Well… It’s time to introduce Lunar Time. 

When are you when you are on the Moon? Researchers are putting together definitions!

Hosted by: Fraser Cain and Dr. Pamela L. Gay

SUPPORTED BY YOU

This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.  

Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David Truog, Ed, Gerhard Schwarzer, Jeanette Wink, Siggi Kemmler, Stephen Veit 

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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

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:

From September 2024.

- It's a good thing this one will miss Earth. 

Riding the surface of the asteroid that my Catalina Sky Survey teammate Richard Kowalski recently discovered would be an incredible experience.

- Protection against a comet strike is worth considering. Every year, if we are lucky, several comets can come close enough for the Sun to warm and us to see the beautiful changing dust and gas clouds around them with binoculars or our unaided eyes. So far asteroids have gotten most of the attention as dangerous celestial neighbors, however, Dr. Joseph Nuth, a researcher at NASA's Goddard Space Flight Center in Greenbelt, Maryland recently pointed out "Comets can also deliver a heaping helping of calamity to Earth, and scientists and policymakers alike should start taking measures to combat the threat".

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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

“ASTROMAN: the Dark Sky Guardian” is a podcast channel that aims to explore popular science in multiple disciplines and research on interdisciplinary approaches, such as sustainability, dark-sky protection, astrophotography, space exploration, astronomy innovation, inclusive science communication, and STEAM Education by integrating science and arts.

Exodus CL Sit, also known as the ASTROMAN, is a transmedia astronomy educator, popular science author, STEAM educator, and science communicator in Hong Kong. He is recently the National Astronomy Education Coordinator (Chair of Hong Kong, China) of the International Astronomical Union and President of Starrix. He was also an International Committee Member of the Dark Sky International, regularly organizing public lectures at the Hong Kong Space Museum and the Hong Kong Science Museum. He was also the author of a popular science book “Decoding the Starry Night: A Guide to Stargazing and Astrophotography”.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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

From June 17, 2021.

New research presented at the Workshop on Terrestrial Analogs for Planetary Exploration used the Haughton impact crater in Arctic Canada as a potential analog for impact craters on Titan, one of the targets of the upcoming Dragonfly mission. Plus, giant spinning structures, the slowing of the Milky Way, a blinking star, and volcanoes here on Earth.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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

https://www.youtube.com/watch?v=LieXZEdaDN8

Ralph Wilkins hosts.

Damien Phillips, John Wildridge and Dustin Ruoff produce.

From Dec 30, 2022.

We say farewell to NASA's Insight mission on Mars. This lander spent 6 years on the Martian surface examining the interior of the planet. It discovered that Mars is not geologically dead as we previously thought. It discovered that Mars has a larger core than we thought, its magnetic field was stronger than we thought and the crust is thinner. And in typical NASA fashion, it made us all sad to think of the little fella dying  in the cold Martian dirt. The heartless swines!

All videos and imagery courtesy of NASA and Wikimedia Creative Commons

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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

Two steps (at least).

Hosted by Steve Nerlich.

From June 25, 2024.

Dear Cheap Astronomy – So what can you do with lunar regolith?

Lunar regolith is readily available for use by space explorers, but just being available doesn’t mean it’s going to be useful. Nonetheless, there have been some interesting suggestions about what to do with it over the years since Apollo and now that we are in the Artemis era, this seems a good time to blow the moon-dust off some of those suggestions.

Dear Cheap Astronomy – Are we really not going to Mars in the 2030s?

Well, probably not. NASA’s moving target is now 2037, it was previously running with 2033 until an independent review looked at their current plan and said no way and also said no way to the next launch window in 2035, so it’s 2037 now – which Cheap Astronomy guesses will be pushed into 2040 in about three years. China is still talking about launching astronauts to Mars

in the 2033 launch window, but without a lot of details on how, excepting some hints that they might use nuclear technologies, at least for power if not propulsion.

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

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