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In this episode of SpaceTime, we delve into the mysterious absence of river deltas on Titan, Saturn’s largest moon. Despite having rivers of methane and ethane, a new study published in the Journal of Geophysical Research Planets reveals that Titan is largely devoid of these geological features, raising intriguing questions about its unique processes and history. We discuss the implications of this finding and what it means for our understanding of Titan's climate and geological past.

Volcanic History of Mars

Next, we explore groundbreaking research from NASA's Perseverance rover, which has uncovered a diverse array of iron-rich volcanic rocks in Jezero Crater. This study, reported in Science Advances, provides fresh insights into Mars's geological history and its potential to have supported ancient life. The findings reveal complex volcanic processes that may have occurred on the Red Planet, enhancing our understanding of its habitability.

Rare Earth Metals in Exoplanet Atmosphere

Finally, we celebrate the discovery of rare Earth metals in the atmosphere of Kelt 9b, one of the hottest known exoplanets. Astronomers have detected vaporized elements such as sodium, magnesium, and the rare Earth metals scandium and yttrium, marking a significant milestone in exoplanet research. This discovery opens new avenues for understanding the atmospheres of distant worlds and their unique compositions.

www.spacetimewithstuartgary.com (https://www.spacetimewithstuartgary.com/)

✍️ Episode References

Journal of Geophysical Research Planets

https://agupubs.onlinelibrary.wiley.com/journal/21699356 (https://agupubs.onlinelibrary.wiley.com/journal/21699356)

Science Advances

https://www.science.org/journal/sciadv (https://www.science.org/journal/sciadv)

Astronomy and Astrophysics

https://www.aanda.org/ (https://www.aanda.org/)

NASA

https://www.nasa.gov/ (https://www.nasa.gov/)

Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support (https://www.spreaker.com/podcast/spacetime-space-astronomy--2458531/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) .

00:00 This is space Time Series 28, Episode 52 for broadcast on 30 April 2025

00:46 Scientists are looking for Titan's missing river deltas

06:02 NASA's Mars Perseverance Rover is analyzing Martian volcanic rocks

10:17 Astronomers have discovered rare Earth metals in the atmosphere of a hot exoplanet

17:58 People who were conceived during colder seasons store fat differently, study finds

20:25 YouTube is celebrating its 20th birthday with some interesting stats

22:16 Google to launch Android 16 three or four months earlier than Apple's iOS

Episode link: https://play.headliner.app/episode/26878967?utm_source=youtube

In this episode of Astronomy Daily, join host Anna as she navigates through the latest cosmic developments, from NASA's ambitious Roman Space Telescope to groundbreaking advancements in satellite technology. This episode is filled with stellar news that will inspire your curiosity about the universe.

Highlights:

- NASA's Roman Space Telescope: Discover the exciting designs for the Nancy Chris Roman Space Telescope, set to launch in 2027. With a field of view 100 times greater than Hubble, this mission aims to unravel the mysteries of dark energy and dark matter while capturing over a billion galaxies in unprecedented detail.

- Amazon's Project Kuiper Launch: Learn about Amazon's successful launch of 27 Project Kuiper satellites, marking a significant step in the race for satellite Internet. With plans for over 3,200 satellites, Amazon aims to compete with SpaceX's Starlink network and enhance global broadband coverage.

- ESA's Biomass Satellite: Explore the European Space Agency's groundbreaking biomass satellite, designed to study Earth's forests and their role in the carbon cycle. This mission promises to provide vital data on carbon storage and help mitigate climate change impacts.

- China's Proposed Spaceport in Malaysia: Delve into China's plans for its first overseas launch site in Malaysia, which could revolutionize equatorial launches and enhance China's launch capabilities. This project holds significant economic and geopolitical implications for the region.

- Astronaut Don Pettit's 70th Birthday: Celebrate the remarkable return of NASA astronaut Don Pettit, who marked his 70th birthday with a dramatic descent back to Earth after 220 days aboard the ISS. Hear his reflections on aging, space travel, and the future of human exploration.

For more cosmic updates, visit our website at astronomydaily.io (http://www.astronomydaily.io/) . Join our community on social media by searching for #AstroDailyPod on Facebook, X, YouTubeMusic, TikTok, and our new Instagram account! Don’t forget to subscribe to the podcast on Apple Podcasts, Spotify, iHeartRadio, or wherever you get your podcasts.

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.

00:00 - This week's Astronomy Daily features a stellar lineup of space news

00:36 - The Nancy Grace Roman Space Telescope is scheduled to launch in 2027

03:08 - Amazon successfully launched 27 Project Kuiper broadband satellites on April 28

05:51 - European Space Agency has successfully launched its groundbreaking biomass satellite

08:52 - China is exploring the establishment of its first overseas launch site with a proposed spaceport

11:59 - NASA astronaut Don Pettit celebrates his 70th birthday with a space return

✍️ Episode References

NASA's Roman Space Telescope

[NASA]( https://www.nasa.gov/ (https://www.nasa.gov/) )

Amazon's Project Kuiper

[Amazon]( https://www.amazon.com/ (https://www.amazon.com/) )

ESA's Biomass Satellite

[European Space Agency]( https://www.esa.int/ (https://www.esa.int/) )

China's Spaceport in Malaysia

[China Great Wall Industry Corporation]( http://www.cgwic.com/ (http://www.cgwic.com/) )

Astronomy Daily

[Astronomy Daily]( http://www.astronomydaily.io/ (http://www.astronomydaily.io/) )

Become a supporter of this podcast: https://www.spreaker.com/podcast/astronomy-daily-exciting-space-discoveries-and-news--5648921/support (https://www.spreaker.com/podcast/astronomy-daily-exciting-space-discoveries-and-news--5648921/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) .

Episode link: https://play.headliner.app/episode/26856708?utm_source=youtube