Guide to Space - Which Are The Real Pictures of Space? What’s a Photo and What’s An Illustration?
Release Date: 10/08/2025
Astronomy Cast Ep. 770: The Ethics of Mars Exploration
The 365 Days of Astronomy
Streamed live on Nov 3, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay. It is arguable that humanity now has the technological ability to live on Mars. It would be done at enormous expense and sacrifice, and there are some tricky problems that we haven’t solved yet. Although we could live on Mars, should we? There is a famous quote from Jurassic Park: "Your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should." This concept is played out across the sciences, and in planetary exploration, it requires us to ask, all because we can launch...
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Travelers in the Night Eps. 347E & 348E: Life’s Parts & 2 Headed Space Worm
The 365 Days of Astronomy
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. From July & August 2025. Today's 2 topics: - 24 hours a day, 16,600 feet above sea level in the high dry desert of northern Chile, the 66 antennas of 1.4 billion dollar Atacama Large Millimeter/submillimeter Array or ALMA receives signals located between the infrared and radio portions of the electromagnetic spectrum. The waves that ALMA receives have a length which is about the same as the thickness of a dime. The...
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Space Stories - Cradles in the Cosmic Mist: Meeting the Nebula
The 365 Days of Astronomy
Hosted by Avivah Yamani, our Director. From latin “nebula” to stellar nurseries & ghostly shells, this episode dives into emission, reflection, dark, planetary nebulae and supernova remnants. These are the cosmic clouds at the start of star life and at the end of star life. Cradles and echoes of starlight, all in one story! We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: and donate as much as you can! Share the podcast with your friends and send the Patreon link to them too! Every bit helps!...
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EVSN - Strong Evidence Found That Muons Deviate From Standard Model
The 365 Days of Astronomy
From April 14, 2021. Fermilab released the first results of their Muon g-2 experiment this week, and the fundamental particles don’t behave as predicted by the Standard Model of particle physics. Plus, dust, more dust, Martian water (again), and a review of Packing for Mars by Mary Roach. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: and donate as much as you can! Share the podcast with your friends and send the Patreon link to them too! Every bit helps! Thank you!...
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Actual Astronomy - Observer’s Calendar For November
The 365 Days of Astronomy
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. Episode 507. 1st - Carbon Star V Air best tonight 2nd - Saturn Neptune and Moon congregate in evening sky 4th - Two Shadows on Jupiter IO and Euorpa after 10pm here for us so that’s midnight EST. 5th - Full Moon (closest moon of the year) Asteroid Victoria at opposition. Asteroid "12 Victoria" is a large S-type (stony) asteroid in the main asteroid belt, discovered in 1850 by J.R. Hind. It orbits between Mars and Jupiter, recently, a meteor event occurred over Victoria, Australia, in August 2025, which...
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Awesome Astronomy - Comet 3I/ATLAS & Cerne Abbas Star Party
The 365 Days of Astronomy
Paul Hill, Ralph Wilkins and Dr. Jenifer “Dr. Dust” Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. November Part 1. Time for a Comet 3I/ATLAS deep dive, a chat about Paul’s recent visit to the Cerne Abbas Starparty in Dorset and our new extended skyguide. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: and donate as much as you can! Share the podcast with your friends and send the Patreon link to them too! Every bit helps! Thank you!...
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Ask A Spaceman Ep. 259: Where Exactly is the Edge of the Universe?
The 365 Days of Astronomy
Hosted by Dr. Paul M. Sutter. Is the Universe infinite? What about the cosmological horizons, the limits to what we can see? Will we ever know for sure what’s beyond them? I discuss these questions and more in today’s Ask a Spaceman! Support the show: All episodes: Watch on YouTube: Read a book: 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, Michael P,...
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Astronomy Cast Ep. 34: Discovering Another Earth
The 365 Days of Astronomy
From April 29, 2007. What a week! Astronomers announced the discovery of an Earth-sized planet orbiting the nearby star Gliese 581! We talk about the technique used to discover the planet, the possibilities of finding even smaller planets, and what the future holds for finding another Earth. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: and donate as much as you can! Share the podcast with your friends and send the Patreon link to them too! Every bit helps! Thank you!...
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Travelers in the Night Eps. 345E & 346E: Asteroid Alert & Finding Treasure
The 365 Days of Astronomy
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. From July 2025. Today's 2 topics: - When Asteroid hunters discover a new object it is given a score ranging from 0 which means it is likely to be a distant main belt asteroid up to 100 which means that it is likely to come near to us. Each newly discovered asteroid which receives a score of 65 or greater is posted on the Minor Planet Center's Near Earth Object Confirmation Page so that telescopes around the world can track...
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Guide to Space - Is The Universe Perfect For Life? Understanding the Anthropic Principle
The 365 Days of Astronomy
From Oct 19, 2015. Doesn't it feel like the Universe is perfectly tuned for life? Actually, it's a horrible hostile place, delivering the bare minimum for human survival. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: and donate as much as you can! Share the podcast with your friends and send the Patreon link to them too! Every bit helps! Thank you! ------------------------------------ Do go visit for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness! This show is...
info_outlinehttps://www.youtube.com/watch?v=Q41hLHcKyUM
From Mar 21, 2018.
Have you ever wondered how those amazing pictures of space are gathered? Which are photographs, which are illustrations, and which are total fakes?
[Editor’s note: You’ll have to go to the YouTube link above to see the photos.]
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 too!
Every bit helps! Thank you!
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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].