Episodit

  • What is gracing the August 2024 skies? A rare conjunction of Jupiter & Mars, great conditions for the annual Perseid Meteor Shower, and all the naked-eye planets visible.

    Hi everybody, I’m Rob Webb, your Last Minute Astronomer, bringing astronomy to normies and nerds, with little time to spare. We’ll start by talking about the big events for the month, then highlight the naked eye planets, and finish up with the lunar phases, so you can plan ahead better than me.

    THE BIG EVENT!

    11th – 12th – Perseid Meteor Shower – EXCELLENT year for the Perseids, given the first-quarter Moon sets before midnight. In decent skies, you could watch 60 meteors per hour, and you should be able to see some very bright ones here and there the week before and after. The strategy to observe this year is to get out there whenever you can, but the “wee hours” and the pre-dawn morning on the Monday 12th is when you’ll see the most. The shower is usually technically active from mid-July to late August, so you may see some Perseids in the days leading up to and after the peak as well. Remember, you’re seeing the bits of dust left over from Comet Swift-Tuttle burning up as they crash into the atmosphere at 37 miles per second.

    Some advice for watching:

    - Find a dark location and lie down in a reclining chair or hammock.

    - Look toward Perseus. In the NE, it rises throughout the night until sunrise where it will be almost directly above. That is where the radiant is - where the meteors will appear to be coming from. But you should basically just look UP.

    - Check the weather ahead of time to see if the skies will be clear.

    - Adapt your eyes to the dark by staying away from light sources or using a red light if you need to look at a star chart or not trip over something.

    - Make a game of it! Get the kids counting and do a scientific meteor count (IMO).

    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 the Planetary Science Institute. http://www.psi.edu

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

  • From May 11, 2021.

    SNFactory researchers found that among about 50 supernovae, many had nearly identical spectra, paving the way for making more accurate distance calculations. These calculations, in turn, open up the possibility of using supernovae to better search for dark energy. Plus, OSIRIS-REx, Voyager I, planetary formation, and volcanoes on Mars.

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

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

    The big show this month is the Perseid Meteor Shower!

    It all happens in the wee hours of Monday morning, August 12th. And we DO mean wee hours. Go outside at midnight on the 11th and be prepared to spend a few hours. Go back inside only if it’s cloudy. Dress warmly as needed, with a blanket handy. There can be as many as 100 meteors per hour.

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    ------------------------------------

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    http://cosmoquest.org/Donate This show is made possible through your donations.

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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=1d1BkdhtgXI&list=PLbJ42wpShvml6Eg22WjWAR-6QUufHFh2v&index=218

    From Mar 14, 2016.

    Supernovae are some of the most powerful explosions in the Universe, releasing more energy in a moment than most stars will release in their entire lifetimes. There are a few places in the Universe that defy comprehension. And supernovae have got to be the most extreme places you can imagine. We’re talking about a star with potentially dozens of times the size and mass of our own Sun that violently dies in a faction of a second.

    Faster than it take me to say the word supernova, a complete star collapses in on itself, creating a black hole, forming the denser elements in the Universe, and then exploding outward with the energy of millions or even billions of stars.

    Team: Fraser Cain - @fcain

    Chad Weber - [email protected]

    Created by: Fraser Cain and Jason Harmer

    Edited by: Chad Weber

    Music: Left Spine Down - “X-Ray”

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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=kV33t8U6w28

    From Feb 26, 2010.

    By popular Space Fan request, I offer this video to help answer some of your questions regarding the expanding universe. Many of you consistently ask: If the Universe is expanding, then what is it expanding into?

    This concept is non-trivial to try and explain in a 5 minute YT video, but I do my best. I hope this helps!

    Thanks to all of you space fans for watching this channel, it means a lot to me.

    Music from Kevin MacLeod:

    http://incompetech.com

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    ------------------------------------

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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 Sept 22, 2006.

    You have lived on the Earth all your life, so you’d think you know plenty about planets. As usual though, the Universe is stranger than we assume, and the planets orbiting other stars defy our expectations. Gigantic super-Jupiters whirling around their parent stars every couple of days; fluffy planets with the density of cork; and Earth-sized fragments of exploded stars circling pulsars. Join us as we round up the latest batch of bizarro worlds.

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    ------------------------------------

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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:

    - My Catalina Sky Survey Teammate Brian Africano discovered his 4th comet while asteroid hunting in the constellation of Ursa Major with our Schmidt telescope on Mt. Bigelow, Arizona. Observers with small telescopes equipped with electronic cameras are able to track Brian's 4th comet as it comes to near the orbit of Mars before it retreats into the cold dark region of our solar system not to return until 3000 AD.

    - A large fireball meteor which exploded over Cuba produced a number of interesting results.

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    ------------------------------------

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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 Dr. Jacinta Delhaize & Dr. Daniel Cunnama.

    The 5th of December 2022 sees the commencement of construction of the long-awaited Square Kilometre Array (SKA)!


    We are honoured to be joined by the SKA Observatory Council Chairperson, Dr. Catherine Cesarsky to talk about this momentous occasion.

    The SKA Observatory (SKAO) is a next-generation radio astronomy facility that will revolutionise our understanding of the Universe and the laws of fundamental physics. Formally known as the SKA Observatory, the SKAO is an intergovernmental organisation bringing together nations from around the world. The observatory consists of the SKAO Global Headquarters in the UK, the SKAO’s two telescopes at radio-quiet sites in South Africa and Australia, and associated facilities to support the operations of the telescopes.

    The SKA telescopes:

    Composed of respectively hundreds of dishes and thousands of antennas, the SKAO’s telescopes will be the two most advanced radio telescopes on Earth. Together with other state-of-the-art research facilities, the SKAO’s telescopes will explore the unknown frontiers of science and deepen our understanding of key processes, including the formation and evolution of galaxies, fundamental physics in extreme environments and the origins of life.

    Dr. Cesarsky was appointed Chair of the SKA Board of Directors in 2017, and her distinguished career spans some of the biggest international astronomy projects of recent years. As Director-General of the European Southern Observatory she oversaw the Very Large Telescope, the start of construction of the Atacama Large Millimeter Array (ALMA) and launched the Extremely Large Telescope project, one of the key astronomical facilities of the coming decades along with the SKA. Among her other prestigious roles, Dr Cesarsky was President of the International Astronomical Union and High Commissioner for Atomic Energy in France. She is known for her successful research activities in high energy and in infrared astronomy and is member or foreign member of science academies over the world, including Europe (Academia Europaea), France (Académie des Sciences), United Kingdom (Royal Society), United States (NAS), Sweden (Royal Swedish Academy of Sciences).

    SKAO: https://www.skao.int/

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    ------------------------------------

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    http://cosmoquest.org/Donate This show is made possible through your donations.

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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 May 6, 2021.

    Researchers find that the “oddball supernova” of a curiously cool, yellow star was lacking the hydrogen content expected, “stretching what is physically possible.” Plus, finding potentially habitable planets, a gamma ray burst, ash clouds, and a new lunar map in this week’s What’s Up.

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    http://cosmoquest.org/Donate This show is made possible through your donations.

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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=Wmxcvbb0clM

    Ralph Wilkins hosts.

    Damien Phillips, John Wildridge and Dustin Ruoff produce.

    From Aug 5, 2022.

    Blue Origin rocket developments seem to have been in development for decades. They've only just got their sub-orbital New Shepard rocket launching and, even now, they aren't launching that often. Their orbital New Glenn rocket keeps getting delayed and might even be obsolete to SpaceX rockets if it ever delivers.

    With Elon Musk's SpaceX leading the way in commercial spaceflight and Branson's Virgin Galactic offering an alternative, has Jeff Bezos merely spent a lot of money on Blue Origin that he won't be able to recover?

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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].

  • Blowing off some steam.

    Read by Barry Haworth and Duranee, written by Steve Nerlich, with technical advice from Stephen D'Souza.

    - The orbit equation:

    There are several orbit equations around, but this orbit equation tells you what orbital velocity you need

    to maintain an orbit at a particular altitude.

    - Entropy and the Inequality of Clausius:

    Getting to this formula requires a bit of a story, but it’s worth it as it ends up explaining which direction

    the Universe is moving in. The conversion of heat, a form of energy, into work dates back to ancient

    Roman times, although heat engines built to do proper industrial work first appeared around the start of

    the 17th century, mostly steam engines that first pumped water out coal mines and then later drove

    locomotives, as well as driving a range of other piston-driven machines.

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

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    ------------------------------------

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    http://cosmoquest.org/Donate This show is made possible through your donations.

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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 August 17, 2023.

    According to the NASA exoplanet archive, HAT-P-67 b holds the distinction of being the largest exoplanet in terms of size. With exoplanet classification, one always needs to be careful - especially when it comes to size and mass - because there is a fuzzy boundary with large planets where if they become too large, they are considered a brown dwarf star. This is a body that almost made it to star status but doesn’t have enough mass or material for nuclear fusion to take place.

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

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    ------------------------------------

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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 23, 2008.

    We’re learned about the failed missions to Mars in the past, and the current spacecraft, rovers and landers currently exploring the Red Planet. But the real prize will come when the first human sets foot on Mars. Robots are cheaper, but nothing beats having a real human being on the scene, to search for evidence of water and life.

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    ------------------------------------

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    http://cosmoquest.org/Donate This show is made possible through your donations.

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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

    From Feb 13 & March 22, 2019.

    Today's 2 topics:

    - My Catalina Sky Survey teammate Hannes Groeller was asteroid hunting with our Schmidt telescope on Mt. Bigelow, Arizona when he discovered his first comet: P/2019 B2 (Groeller). After the Sun bakes out all of the frozen gasses, Hannes's Comet, will lose its coma and tail and become indistinguishable from one of the millions of main belt asteroids orbiting the Sun between Mars and Jupiter.

    - NASA's Double Asteroid Redirection Test or DART for short will test methods to make a dangerous asteroid miss Earth.

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    ------------------------------------

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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://spacescoop.org/en/scoops/2035/a-missing-ingredient/

    From September 10, 2020.

    The Universe is full of unanswered questions. And more than a few unquestioned answers!

    One of the biggest questions astronomers are trying to answer is what is the Universe made of? OK, sure, we know about protons, neutrons & electrons already.

    But astronomers also know that the Universe is full of dark matter, but we still don’t fully understand it…Dark matter is a mysterious and peculiar material that got its name because it doesn’t give off any light - it’s totally invisible at wavelengths our eyes can see.

    Dark matter remains as elusive as Alice in Wonderland's Cheshire Cat. You can only see its grin (in the form of gravity) but not the animal itself. Yet, astronomers think there’s 5 times as much of this strange material in the Universe as there is normal matter that we can see.

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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 September 28, 2021.

    The inner solar system was a wild and wooly place as the planets were forming, and new research shows that the collisions that formed Earth and Venus were likely of the hit-and-run variety. Plus, polar ice loss warps the planet, and a black hole eats a star.

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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]

    Mike Lynch grew up in Richfied, Minnesota. After two years at the University of Minnesota in the Twin Cities he transferred to the University of Wisconsin in Madison and earned his B.S. degree in Meteorology. Shortly after he was hired as a broadcast meteorologist at WCCO Radio in Minneapolis and has been there for over 30 years. Mike has covered all kinds of weather from deadly tornados to record cold snaps. In fact on February 2nd, 1996, he broadcasted from Tower, Minnesota when the temperature dropped down to 60 below zero, an all time record low for the state of Minnesota.

    Mike’s other passion has been astronomy. He built his first telescope when he was 15 and for over 40 years has been teaching classes and putting on star parties through community education, nature centres, and other organisations throughout Minnesota and Wisconsin. His goal is to help people make the stars their old friends.

    From 2004 to 2007 Mike wrote Astronomy/Stargazing books and WCCO Minnesota Weather Watch in 2007 and writes a weekly Starwatch column for the St. Paul Pioneer Press and more than two dozen other newspapers across the United States. His most recent book is “Stars: A Month-by-Month Tour of the Constellations!”

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    ------------------------------------

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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. Jenifer “Dr. Dust” Millard hosts solo!

    Damien Phillips, John Wildridge and Dustin Ruoff produce.

    Celebrating 55 years since humans first set foot on the Moon with Project Apollo, in this podcast extra, Dr. Jen meets with Benoit Faiveley and Mario Freese, founder and chief engineer of Sanctuary on the Moon, a daring project to leave a legacy of humanity on our nearest celestial neighbour.

    In the late 2020s, 24 coaster-sized sapphire disks will sail to the Moon as part of NASA’s Artemis CLPS program. Engraved upon them will be the essence of humanity. One hundred billion pixels depicting the human genome, the work of masters, and the every day - one pixel for every human that ever lived. It is an exploration of ourselves, our world, and our epoch.

    www.awesomeastronomy.com

    Awesome Astronomy explores the frontiers of science, space and our evolving understanding of the universe.

    Join Paul & Jeni for informative and fun astronomy programmes dedicated to space and astronomy news and monthly podcast extras covering hot topics and special interviews in the world of science and astronomy.

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    ------------------------------------

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    http://cosmoquest.org/Donate This show is made possible through your donations.

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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].

  • Can galaxies ever get destroyed? What happens to their stars? Do galaxies ever die? I discuss these questions and more in today’s Ask a Spaceman!

    This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman and get on your way to being your best self. Visit BetterHelp to get 10% off your first month!

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

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

    Follow on Twitter: http://www.twitter.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 TIME AND SPACE!

    Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Duncan M, Corey D, stargazer, Robert B, Tom G, Naila, Sam R, John S, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Denis A, Jules R, Mike G, Jim L, Scott J, David S, William W, Scott R, Bbjj108, Heather, Mike S, Michele R, Pete H, Steve S, wahtwahtbird, Lisa R, and Couzy!

    Hosted by 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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  • From Jan 8, 2007.

    We’re finally ready to deal with the topic you’ve all been waiting for: Schwarzschild swirlers, Chandrasekhar crushers, ol’ matter manglers, sucking singularities… You might know them as black holes. Join as we examine how black holes form, what they consume, and just how massive they can get.

    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!

    ------------------------------------

    Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!

    http://cosmoquest.org/Donate This show is made possible through your donations.

    Thank you! (Haven't donated? It's not too late! Just click!)

    ------------------------------------

    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].