Cosmic Monsters and Martian Rivers
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Cosmic Monsters and Martian Rivers
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About this listen
The Most Distant Black Hole: Casper's Lidz 9
Astronomers have identified the most distant black hole ever observed, known as Casper's Lidz 9, dating back 13.3 billion years to a time when the universe was only half a billion years old. This supermassive black hole, weighing in at approximately 300 million solar masses, raises intriguing questions about its rapid growth in the early universe. The findings, published in the Astrophysical Journal, provide a unique opportunity to study the structure and evolution of galaxies during this enigmatic period, with implications for our understanding of black hole formation.
New Insights into Ancient Martian Water
Recent research suggests that Mars was even wetter than previously believed. A study presented at the Royal Astronomical Society's national meeting examined over 1500 kilometres of ancient riverbeds in the Nochesterra region, indicating that flowing water was widespread during the Noche and Hesperian transition around 3.7 billion years ago. These findings challenge existing theories about Mars's dry history and suggest a more complex and active planet, potentially providing a more hospitable environment for ancient life.
Nuclear Reactors for Moon and Mars Bases
The United States has unveiled plans to develop nuclear reactors to power future bases on the Moon and Mars, with the first plant expected to launch by the end of the decade. This initiative aims to support sustained human presence on these celestial bodies, addressing energy needs that solar power cannot fulfil. The reactors will provide essential electricity for life support, scientific equipment, and resource utilisation, marking a significant step in the ongoing space race.
www.spacetimewithstuartgary.com
✍️ Episode References
Astrophysical Journal
https://iopscience.iop.org/journal/1538-4357
NASA's Artemis Program
https://www.nasa.gov/specials/artemis/
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