Spiral Galaxy's Ancient Order, Earth's Mantle Mystery, and Hera's Asteroid Adventure

SpaceTime with Stuart Gary

SpaceTime Series 27 Episode 125
*Discovery of the Most Distant Spiral Galaxy
Astronomers have identified the most distant spiral galaxy ever seen, named REBELS 25. This galaxy, observed as it was 13.1 billion years ago, challenges current models of galaxy formation with its orderly spiral structure, despite being from an era when the universe was just 700 million years old. The discovery, made using the ALMA radio telescope in Chile, offers new insights into the early universe and the evolution of galaxies.
*Record-Breaking Mantle Rock Recovery
Scientists have achieved a groundbreaking recovery of rocks from Earth's mantle, the planet's largest component. The 1268-meter-long section of mantle rock, retrieved from the Atlantic's mid-ocean ridge, provides new insights into the mantle's role in Earth's geological processes. The findings, published in Science, reveal unexpected levels of melting and composition, offering clues to the origins of life and volcanic activity.
*Launch of ESA's Hera Asteroid Mission
The European Space Agency's Hera mission has launched from Cape Canaveral, just ahead of Hurricane Milton. Hera will conduct a detailed study of the Didymos asteroid system, following NASA's successful Dart mission. The mission aims to enhance our understanding of asteroid deflection techniques, which could be crucial for planetary defense.
The Science Report
A new, highly transmissible Covid-19 variant, XEC, has been detected in Australia. The variant, a recombinant of two Omicron subvariants, is spreading rapidly and has been reported in 29 countries.
A consumer advocacy group reveals that car manufacturers are collecting and sharing extensive data from vehicles, raising privacy concerns.
A study finds that deactivating Facebook can improve well-being but may reduce political knowledge.
AMD's new AI chips set new standards for processing speed, outperforming competitors with their advanced capabilities.
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00:00:00 - This is spacetime series 27, episode 125 for broadcast on the 16 October 2024
00:00:47 - Astronomers have discovered the most distant spiral galaxy ever seen
00:03:14 - Scientists have recovered long section of rocks that originated in the Earths mantle
00:11:26 - NASA spacecraft to study asteroid Dimorphos and its tiny moon Didymos
00:13:56 - More than 35,000 asteroids pose a threat to Earth
00:18:45 - Hera will take two years to reach the asteroid system after launch
00:24:32 - New highly transmissible variant of the Covid-19 virus has been detected in Australia
00:27:29 - New study finds deactivating Facebook accounts reduces political knowledge
00:31:05 - spacetime is available every Monday, Wednesday, and Friday through various podcasting platforms