S03E164: Artemis Radiation Study, Heart Cells in Space, and SETI's Galactic Hunt

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Recorded26 Sep 2024

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Astronomy Daily - The Podcast: S03E164Welcome to Astronomy Daily, your source for the latest space and Astronomy news. I'm your host, Anna, and today we have an exciting lineup of stories that span from Earth's orbit to distant galaxies. Buckle up and get ready for a thrilling journey through the cosmos.Highlights:- Spaceflight Radiation Exposure: During NASA's Artemis I mission, scientists gathered crucial data on radiation exposure using mannequins and advanced sensors. Findings show that enhanced radiation shielding areas provided up to four times more protection, validating spacecraft design for future missions.- Low Gravity Effects on Heart Cells: Researchers sent human bioengineered heart tissue samples to the ISS. The results revealed significant weakening and disruptions in normal rhythmic beating patterns, highlighting potential health risks for astronauts on extended missions.- SETI's Search for Alien Technology: In an unprecedented study, scientists used the Murchison Widefield Array to observe 2800 galaxies, searching for technosignatures. While no definitive evidence was found, this research opens new possibilities for future SETI efforts.- Milky Way's Unique Characteristics: The SAGA survey studied 101 satellite systems similar to our Milky Way, revealing that the number of satellite galaxies varies widely. Our galaxy's relatively low satellite count, despite having the Large Magellanic Cloud, hints at a unique history.- Mars's Missing Atmosphere: New research suggests Mars's atmosphere may have been absorbed by minerals in Martian clays over billions of years. This theory offers a potential explanation for Mars's transformation and raises the possibility of utilizing trapped methane for future missions.For more space news, be sure to visit our website at astronomydaily.io. There you can sign up for our free Daily newsletter, catch up on all the latest space and Astronomy news with our constantly updating newsfeed, and listen to all our back episodes.Don't forget to follow us on social media. Just search for #AstroDailyPod on Facebook, X, YouTubeMusic, and TikTok.Thank you for tuning in. This is Anna signing off. Until next time, keep looking up and stay curious about the wonders of our universe.Sponsor Links:NordVPNNordPassMalwarebytesProton MailOld Glory - Iconic Music and Sports Fan MerchBecome a supporter of this podcast: https://www.spreaker.com/podcast/astronomy-daily-the-podcast--5648921/support.Sponsor Details:Ensure your online privacy by using NordVPN. To get our special listener deal and save a lot of money, visit www.bitesz.com/nordvpn. You'll be glad you did!Become a supporter of Astronomy Daily by joining our Supporters Club. Commercial free episodes daily are only a click way... Click Here

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