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PODCAST

The 365 Days of Astronomy

365DaysOfAstronomy.org

The 365 Days of Astronomy podcast launched in 2009 as part of the International Year of Astronomy. This community podcast continues to bring you day after day of content across the years. Everyday, a new voice, helping you see the universe we share in a new way. This show is managed by Avivah Yamani, edited by Richard Drumm. This podcast is funded through Patreon.com/CosmoQuestX and produced out of the Planetary Science Institute.

science astronomy

All Episodes

06:05

Travelers in the Night Eps. 783 & 784: Kacper's...

The 365 Days of Astronomy ·

2025/04/13

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 February 2024. - Centaurs have long puzzled astronomers since they have traits in common with both asteroids and comets. - So far asteroid hunters have discovered approximately half of the 5,000 PHAs which are likely to exist. Asteroid hunters will continue to search the sky

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19:35

NOIR Lab - DESI’s Year 3 Results

The 365 Days of Astronomy ·

2025/04/12

Hosted by Rob Sparks. Description: The Dark Energy Spectroscopic Instrument (DESI) at Kitt Peak National Observatory has been collecting spectra of millions of galaxies to better understand dark energy, the mysterious force that is causing the expansion of the universe to accelerate. The DESI collaboration recently released results based on the first three years of data that indicate dark energy is not a constant force. In this podcast, NOIRLab’s Joan Najita discusses DESI and its groundbreaking

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30:28

EVSN - Space is Hard: IM2 Failure, Starship 8...

The 365 Days of Astronomy ·

2025/04/11

Published on April 9, 2025. Let's take a fast-paced journey through all that's new in space and astronomy, including new results from Perseverance Rover, Venusian Volcanism, Mars Sample Return (or not), Intuitive Machines' failure to land upright, Firefly Aerospace's amazing success with Blue Ghost, and tales from the launch pad. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstronomy and

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16:30

Cheap Astronomy - Implausible Engineering Episode 4:...

The 365 Days of Astronomy ·

2025/04/10

Something Stupid. Episode 4a: Space mining Most of the contents of the periodic table are available in atomic or molecular form across the solar system. After all, the Earth accreted out of the same circumsolar dust cloud that all the other planets accreted out of, not to mention the dwarf planets, asteroids, comets and other bits. Episode 4b: Time machine (or not) In a previous episode of Implausible Engineering we discussed how you could shift yourself into the future by sitting within a very,

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01:12:23

Awesome Astronomy - April Part 1

The 365 Days of Astronomy ·

2025/04/09

Paul Hill and Dr. Jenifer “Dr. Dust” Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. Episode 154. Has NASA been Trumped? We try to keep it upbeat this month with tales of blackholes, definitions of moons, and solar system science but unfortunately the fate of NASA and American science currently hangs in the balance… We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit:

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26:01

Ask A Spaceman Ep. 245: What Made the Moon?

The 365 Days of Astronomy ·

2025/04/08

Why is the moon so special? Why do we think a giant impact created it? Why didn’t the same thing happen to other planets? 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 Follow on X: https://x.com/PaulMattSutter Read a book: http://www.pmsutter/book Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF

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27:03

Astronomy Cast Ep. 750: Supernova Early Warning System

The 365 Days of Astronomy ·

2025/04/07

https://www.youtube.com/watch?v=AEugVwlTunc Streamed live on Mar 31, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay When enormous stars detonate as supernovae they release a burst of neutrinos that can be the first sign of a coming explosion. Now, astronomers have built a network to watch for that flash of neutrinos, and help direct their telescopes for when the sky show begins. Supernovae explosions occur in stages, with neutrinos being emitted hours before photons. If we can accurately detect

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06:05

Travelers in the Night Eps. 781 & 782: Comet C.2023...

The 365 Days of Astronomy ·

2025/04/06

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 From January & February 2024. Today's 2 topics: - My Catalina Sky Survey teammate Greg Leonard was asteroid hunting in the constellation of Aquarius with our Schmidt telescope on Mt. Bigelow, Arizona when he discovered his 19th comet. Turns out Greg's new comet is a member of a family of comets

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11:08

Last Minute Astronomy - April 2025 Edition

The 365 Days of Astronomy ·

2025/04/05

I’m Rob Webb, your Last Minute Astronomer, bringing astronomy to normies and nerds, with little time to spare. April of 2025 brings us the annual Lyrid meteor shower, all the naked-eye planets, and plenty of lunar close encounters. We’ll start by talking about this month’s big events, then highlight the naked eye planets, and finish up with the lunar phases, so you can plan ahead better than me. April 22nd – LYRID METEOR SHOWER – Around 10-20 meteors per hour, the Lyrids are a minor shower,

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37:59

EVSN - The Book of Mars, Star Formation, & More

The 365 Days of Astronomy ·

2025/04/04

From March 13, 2025. Let's take a fast-paced journey thru all that's new in space and astronomy, including DESI takes a census of central black holes, star formation in clusters, and updates on Europa Clipper, along with a deep dive into Mars science, and tales from the launch pad. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can! Share the podcast with

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29:35

Actual Astronomy - The Observer’s Calendar for April

The 365 Days of Astronomy ·

2025/04/03

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com The Actual Astronomy Podcast presents The Observer’s Calendar for April 2025. In this episode we talk about how to see the Moon as it pairs with Pleiades, Mars, Smallest full moon on April 13th then pairs with Antares. Don’t miss the Lyrid meteor shower and catch Venus, Moon, Saturn and Mercury in the morning sky. We also discuss some stars and deep sky objects including globular cluster M68

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39:47

Big Impact Astronomy - Ron Rosano Interview

The 365 Days of Astronomy ·

2025/04/02

Ron Rosano flew into space on a suborbital flight with Virgin Galactic on October 6, 2023, and has pursued a passion of space travel and astronomy outreach with schools in with the public since 1995. In awe of the starry sky since he was a child and inspired by the Apollo Moon landings, Ron has closely followed NASA and other space missions for as long as he can remember. He has parlayed this passion into extensive astronomy education outreach as an informal educator for more than 25 years,

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06:09

Exoplanet Radio - TRAPPIST-1e: The Most Habitable...

The 365 Days of Astronomy ·

2025/04/01

From September 13, 2023. TRAPPIST-1e is a rocky, close-to-Earth-sized exoplanet orbiting within the habitable zone around the ultra-cool dwarf star TRAPPIST-1 approximately 40 light-years away from Earth in the constellation of Aquarius. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can! Share the podcast with your friends and send the Patreon link to them

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32:45

Astronomy Cast Ep. 749: Dark Energy Changing Over Time

The 365 Days of Astronomy ·

2025/03/31

https://www.youtube.com/watch?v=MimmxUqg05Q Streamed live on Mar 24, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay The Hubble Tension is a vexing problem, with astronomers measuring the expansion of the Universe at different points in its history and getting different results. Errors have mostly been ruled out, which leaves the potential for new physics. Has the strength of dark energy been changing over time? We thought Dark Energy was constant with time, but new results from DESI say maybe

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06:05

Travelers in the Night Eps. 313E & 314E: Greg’s...

The 365 Days of Astronomy ·

2025/03/30

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: - A winter storm hit Mt. Lemmon, Arizona closing access to the observatory by blowing over trees and producing large snow drifts. After the Mountain Operations Crew cleared the road, my Catalina Sky Survey teammate Greg Leonard was able to make his way to the top and discover an

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07:47

UNAWE Space Scoop - Teenage Galaxy Found Hiding in a...

The 365 Days of Astronomy ·

2025/03/29

Telescopes are, in a way, time-travel machines to the distant past & faraway galaxies. The speed of light is the Universe’s speed limit. Forget that 55 MPH thing. 186,000 miles per second is more like it! Lightspeed is also the speed of gravity and electricity, so there’s that. For example, it takes light from the Sun over 8 minutes to reach Earth, so the sunlight we feel on our faces is, on average, actually 8 minutes 25 seconds old. When astronomers use telescopes to look at galaxies in space,

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22:57

EVSN - Star Formation Occurs in Competitive Environment

The 365 Days of Astronomy ·

2025/03/28

From April 21, 2021. A survey of the stellar nursery in the Orion Nebula Cluster provides evidence that stars compete for material and their size depends on what they gather rather than their initial core size. Plus, NASA mission updates, fast radio bursts, neutron stars, visible novae, and mountain building in the Andes. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as

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36:44

H’Ad Astra Historia Ep. 203: Interstellar Part 1

The 365 Days of Astronomy ·

2025/03/27

Today’s guest: Dr. Jamie Rankin, Voyager Deputy Project Scientist, talks with us today about all things Interstellar. She is also an Associate Research Scholar and Lecturer in Space Physics at Princeton University. NASA-JPL continues to communicate with both Voyagers 1 and 2 as they explore interstellar space. Closer to home, IBEX and three soon-to-be-launched new spacecraft study the protective bubble of our star system from the inside, while also investigating our star’s ever-changing effect on

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11:12

Guide to Space - Should We Fly to Another Star Soon?...

The 365 Days of Astronomy ·

2025/03/26

https://www.youtube.com/watch?v=RXtYUawd4AY From Feb 14, 2020. Hosted by Fraser Cain. It’s hard to really wrap your mind around the vast distances between stars. The fastest spacecraft ever launched into an interstellar trajectory right now is Voyager 1. If it was directed at the nearest star, it would take tens of thousands of years to make the journey across the interstellar gulf. Even so, groups like Breakthrough Starshot and Icarus Interstellar are working on plans right now to try and send

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16:59

Cheap Astronomy - Implausible Engineering, Ep. 3: We...

The 365 Days of Astronomy ·

2025/03/25

Hosted by Steve Nerlich. A. Interstellar Travel. There is so much imagined interstellar flitting about in star trek, wars etc, that it seems almost inevitable it will all really happen one day. That is, that we might set off from Earth in the morning and arrive at Alpha Centauri system in time for tea. It’s only 4.3 light years away after all. B. Space Colony. A standard theme of science fiction and science forecasting is that we’ll establish space colonies one day. This is certainly possible, if

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