Mars’ Ancient Beaches, Water’s Early Emergence, and Voyager’s Power Struggles: S28E31

SpaceTime Series 28 Episode 31

The Astronomy, Space and Science News Podcast

Beaches on Mars, Water's Early Emergence in the Universe, and Voyager's Power Conservation

In this episode of SpaceTime, we delve into the groundbreaking confirmation by China's Zhurong Mars rover, which has revealed that ancient ocean beaches once graced Mars' northern hemisphere. Using advanced ground-penetrating radar, scientists have discovered sedimentary structures resembling Earth's coastal deposits, suggesting that the Red Planet once harbored a significant body of water, potentially creating habitable environments for microbial life.

Water's Early Role in the Universe

We also discuss a new study indicating that water may have formed in the universe much earlier than previously thought, just 100 to 200 million years after the Big Bang. This discovery suggests that habitable planets could have begun forming before the first galaxies, with primordial supernovae playing a crucial role in producing the necessary oxygen for water molecules.

Navigating Voyager's Future

Additionally, we cover NASA's difficult decision to turn off several scientific instruments aboard the Voyager spacecraft to conserve energy and extend their missions. With Voyager 1 and 2 now over 23 and 19 light hours away from Earth, respectively, these measures are essential to prolonging the iconic spacecraft's ability to collect unique data from interstellar space.

00:00 Space Time Series 28 Episode 31 for broadcast on 12 March 2025

00:49 Confirmation of ancient beaches on Mars

06:30 Implications for Martian habitability

12:15 Water's early emergence in the universe

18:00 Role of supernovae in water formation

22:45 Voyager spacecraft power conservation efforts

27:00 Overview of the latest scientific studies

30:15 Discussion on gender differences in romantic relationships

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✍️ Episode References

NASA

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

Proceedings of the National Academy of Sciences

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

Nature Astronomy

https://www.nature.com/natureastronomy/ (https://www.nature.com/natureastronomy/)

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Episode link: https://play.headliner.app/episode/26026813?utm_source=youtube