Afleveringen
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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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Hosted by Tony Darnell.
From September 8, 2023.
There’s no question that humanity is making fast progress in understanding, cataloging and classifying planets around other stars. So far we’ve found over five thousand five hundred of them. But let’s face it, we really want to know, maybe more than anything else, whether these planets have any life on them and whether they are habitable for us to, maybe, live on.
Finding habitable worlds has been a driving passion since we first learned there were other planets out there, and to find them, we are going to need a dedicated instrument that does nothing else but tries to locate and characterize them.
That’s where the Habitable Worlds Observatory comes in. NASA says “HWO is a concept for a NASA flagship mission, as recommended by the 2020 Astrophysics Decadal Survey, that would pursue a breadth of astrophysics goals, including searching for and characterizing potentially habitable planets beyond our solar system.”
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Zijn er afleveringen die ontbreken?
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https://www.youtube.com/watch?v=3fwPjPZXAuc
Streamed live on Feb 3, 2025.
Just a few years ago LIGO detected the first direct evidence of gravitational waves coming from colliding black holes. And there you have it. Boom! Black holes collide! But that wasn’t all we learned from gravitational waves, nor will we learn. Sure, the masses of merging black holes are nice to know, but what else can we learn from gravitational black holes?
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.
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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:
- Aug 27, 2024.
Presently the surface of Mars is very dry and any liquid water that reaches it quickly boils away since the martian atmospheric pressure is what you could experience in your space suit 30 to 50 miles above the Earth's surface. However, since the martian gravity is about 1/3 that of the Earth, its crust is less dense and more porous than what we find on our home planet.
- Sep 3, 2024.
When asteroid hunters follow an object in the night sky for a few hours or a couple of days they are only able to observe a snippet or tracklet of the object's hundreds to thousands of days long path around the Sun. If we only have a short sample of an orbit we loose precision to locate the object as the length of time since the last observation increases. It is thus possible to lose the knowledge of where to find a particular asteroid.
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The Gemini International Observatory consists of two 8.1 meter telescopes located in Hawai’i and Chile. These telescopes have been at the cutting edge of astronomy research since their inception. Gemini Observatory is currently celebrating its 25th anniversary. This podcast takes a look at the first 25 years of Gemini Observatory and looks ahead to the future.
Rob Sparks is in the Communications, Education and Engagement group at NSF’s NOIRLab in Tucson, Arizona.
Links:
Gemini Observatory: https://www.gemini.edu/
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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From August 20, 2020.
Join us today as we look at how citizen science helped discover 100 cool worlds nearby. Then we examine evidence that exploding stars may have contributed to a mass extinction on Earth. Speaking of mass extinctions, an asteroid narrowly missed our planet last weekend. Because 2020.
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Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. [email protected]
The Actual Astronomy Podcast presents The Observer’s Calendar for February 2025. In this episode we talk about what you can see in the February 2025 night sky. This month we focus on all the planets you can see, rays and craters on the Moon as well as a few deep sky objects you might see on a winter vacation.
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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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Hosted by Mike Simmons.
- Mark Neyrick, cosmologist and research scientist at Blue Marble Space Institute, explains the cosmic web of galaxies and matter, and how this large-scale structure mirrors branching structures in nature, like trees and rivers. He discusses the artistic and educational method of using origami and tactile models to teach complex cosmological concepts, making science more accessible and memorable.
- Origami models make cosmic webs tangible! By folding paper and fabric, Mark illustrates how dark matter forms cosmic filaments, offering a hands-on approach to understanding the universe’s structure.
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
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Where do parallel universes exist? Could we use wormholes to travel to them? What does time travel have to do with all this? 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, 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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https://www.youtube.com/watch?v=voStvJmLZis
Streamed live on Jan 27, 2025.
Hosted by: Fraser Cain and Dr. Pamela L. Gay
Gravity Waves ... not gravitational waves ... move atmospheres and make pretty clouds. Have you ever looked up into the sky and seen bizarre cloud formations that look like waves on the ocean? These are gravity waves. Not to be confused with gravitational waves, and they’re caused by a balance of buoyancy and gravity. And of course these have been seen across the solar system.
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
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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
From August 2024.
Today's 2 topics:
- Richard Kowalski discovered 2016 WM48, a Centaur. Centaurs are named after the mythical beasts which were half human and half horse perhaps because they have characteristics of both asteroids and comets. 2016 WM48, is about a mile in diameter. We don't know if it has rings, tiny moons, or a gas cloud surrounding it as some other Centaurs do. 2016 WM48 must have had a catastrophic collision in the past few million years which put it on a very elliptical path which is tipped at 60 degrees or so to the solar system's plane.
- The asteroid Psyche may be one of the most expensive pieces of real estate in the solar system. It is a small world about 116 miles in diameter and is composed of almost pure nickel-iron metal. It is located in the asteroid belt between Mars and Jupiter. Scientists find evidence that Psyche may be the exposed core of a planet which was destroyed by collisions as it was trying to form long ago.
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Hosted by Rob Webb.
Full text available at the Cosmos Safari Blog.
February 2025 is a phenomenal continuation of January’s planetary-ness! You’ll get chances to see all the planets before going to bed and a conjunction of Mercury & Saturn.
Hi everybody, I’m Rob, your Last Minute Astronomer, bringing astronomy to normies and nerds, with little time to spare. 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.
LUNAR CLOSE ENCOUNTERS
The Moon will be traveling across the sky as normal, passing by some planets at particular times.
1st - 2nd - Saturn has dipped below Venus in the sunset sky by about 12°, and a very thin crescent Moon joins in on the 1st, within 3° of Venus. Then, on Feb 2nd, the Moon, Venus, and Saturn make a string of objects just after sunset in the SW.
6th - Find the Waxing Gibbous Moon just about 5° above bright Jupiter moving West throughout the night, setting just before 3:30am.
9th - The Moon will start out the night just 2˚ from Mars, moving further away throughout the night, setting around 6am.
Music was produced by Deep Sky Dude and used with permission.
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From January 24, 2025.
It's the kind of week where we feel the need to put joy into the world, and we've made the decision to just find stories to bring a smile and share them with you. And also rockets, we're bringing you all the rocket news.
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Sponsored and hosted by Andy Poniros.
From the Annual Springfield Telescope Makers Stellafane Convention Tara Roberts Zabriskie discusses the filming of her Springfield Telescope Makers Documentary & several STM members (Tom Spirock, Phil Rounseville, Katie Shusdock, Dave Groski and Dave Kelly) discuss their personal experiences as STM, the history of the club & the Stellafane convention, & how this passionate group of individuals has been bringing telescope making to the public for 100 years.
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Hosted by Mike Simmons.
- Dr. Jörg Matthias Determann discusses his role as a historian of science, with a focus on biology, astronomy, and astrobiology, emphasizing diversity, equity, and inclusion within astronomy.
- He highlights the universal appeal of astronomy and how it connects all cultures under the same sky, while acknowledging barriers in elite academic circles.
- **Highlight:** *Science fiction as a tool for inclusivity:* Jörg explores how science fiction inspires broad audiences, bridging gaps between elite sciences and marginalized groups.
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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Paul Hill and Dr. Jenifer “Dr. Dust” Millard host.
Damien Phillips, John Wildridge and Dustin Ruoff produce.
Episode 151!
Happy New Year! This month we talk about an new climate history for Venus, a new origin story for Mars’ moons and we chat about the new potential head of NASA…
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https://www.youtube.com/watch?v=HYSMx0Fm9CU
Hosted by: Fraser Cain and Dr. Pamela L. Gay
Streamed live on Jan 20, 2025.
Pollution will ultimately give away a society.
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
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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
From January 2024.
Today's 2 topics:
- A research project whoes goal is to explore if it would be possible, on short notice, to pulverize a small asteroid so that it would not enter the Earth’s atmosphere as a single object perhaps saving humanity from an very expensive sonic boom.
- My Catalina Sky Survey teammate David Rankin was being filmed and interviewed by the NASA 360 crew at our 60 inch telescope on Mt. Lemmon, Arizona when he discovered a scary space rock moving through the constellation of Aquarius at 13 mi/s.Rest assured that asteroid hunters will carefully keep track of 2023 VS3 to make sure that its orbit does not change to make it a threat in the distant future as it passes near to Earth, Mars, and other asteroids.
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Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela & Dr. Daniel Cunnama.
This is a re-run of episode 29 of The Cosmic Savannah in anticipation of an upcoming interview with Prof Matthew Bailes so all our listeners can get up to speed about everything to do with Neutron Stars!
We are firstly joined by Prof. Matthew Bailes from the Centre for Astrophysics and Super computing at Australia’s Swinburne University of Technology. Matthew is a world expert on pulsars and the Director of the “OzGrav” ARC Centre of Excellence for Gravitational Wave Discovery.
Matthew chats with is us about pulsars, gravitational waves and some of the incredible science we can expect from projects such as Meertime. MeerTime will use the MeerKAT telescope to explore fundamental physics and astrophysics using radio pulsar timing.
We’re then joined by Katia Moskvitch, who was the 2019 British Science Journalist of the Year and the 2019 European Science Journalist of the Year! Katia tells us about a her new book “Neutron stars: The Quest to Understand the Zombies of the Cosmos.” This popular science book is written for a general audience and describes the fascinating and bizarre existence of neutron stars and pulsars.
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From November 17, 2020.
Two new papers examine how the Milky Way galaxy was formed and how it evolved. Plus, we take a look at stories on the prospects for life elsewhere in the cosmos and on fast radio bursts and supernovae. Finally, just what was the zero gravity indicator aboard the Crew-1 Dragon?
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