Uranus Unveiled: Decoding the Mystery of Radiation Belts and Martian River Systems

SpaceTime with Stuart Gary

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4d ago 21:24

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In this episode of SpaceTime, we tackle some of the most intriguing cosmic mysteries and discoveries that could reshape our understanding of the universe.
Unraveling Uranus: The Mystery of Its Radiation Belts
For 39 years, the intense electron radiation belts surrounding Uranus have puzzled scientists since NASA's Voyager 2 flyby in 1986 revealed unexpectedly high levels of radiation. New analyses suggest these findings may be explained by a solar wind structure interacting with the Uranian system during Voyager 2's visit. This research opens up new questions about the fundamental physics governing these extreme energy levels and the unique characteristics of Uranus itself.
Mapping Martian River Systems: A Historic First
A groundbreaking study has mapped ancient river systems on Mars, identifying 16 large drainage basins that could have supported life billions of years ago. By synthesizing previous data on Martian river valleys, lakes, and canyons, scientists have outlined how these systems could have formed a global network, similar to Earth's most biodiverse river basins. This research enhances our understanding of Mars' geological history and its potential for past life.
2026 Australasian Sky Guide Released
The 2026 Australasian Sky Guide has officially been released, offering skywatchers a detailed monthly map of celestial events. Highlights include supermoons, planetary alignments, and eclipses, providing an exciting year ahead for astronomy enthusiasts. Dr. Nick Glom shares insights into the guide's features and the astronomical events to look forward to in the coming year.
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✍️ Episode References
Proceedings of the National Academy of Sciences
Communications Earth and Environment
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(00:00:00) Scientists may have finally resolved 39 year old mystery about Uranus radiation belts
(00:03:55) A new study has begun the task of mapping ancient river systems on Mars
(00:08:06) The 2026 Australasian Sky Guide has just been released
(00:10:23) The book tells readers what's up in the sky for each month
(00:11:39) Total eclipse of the moon in March is spectacular and easy to photograph
(00:14:22) A new study suggests volcanic activity may have paved the way for the Black Death
(00:15:37) A new study claims people who want children are more likely to find older faces attractive
(00:17:33) Tim Mendham warns about the dangers of taking medical advice on social media
(00:20:08) Spacetime is available through bitesz.com and other podcasting platforms

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