SpaceTime Series 28 Episode 27
The Astronomy, Space and Science News Podcast
Asteroid 2024 YR4 Impact Risk Reduced, Insights into Mars' Core, and NASA's Lunar Mission Update
In this episode of SpaceTime, we bring you encouraging news about asteroid 2024 YR4, with new observations indicating that the chances of it impacting Earth have plummeted to just 0.001%. Initially flagged as a potential threat, this asteroid has been closely monitored, and the latest data from the Very Large Telescope has allowed astronomers to refine its orbit and rule out any collision risk for 2032.
Exploring the Martian Core
We also delve into a fascinating new study regarding the composition of Mars' core. Research suggests that while it may contain a liquid outer core, there could also be a solid inner core composed of iron and sulfur. This breakthrough could reshape our understanding of the Red Planet's geophysical properties and the role of lighter elements in its core.
NASA's Latest Lunar Mission
Additionally, we provide an update on NASA's latest lunar mission, which has successfully launched and is heading towards the Moon's south pole. The mission features the Intuitive Machines IM2 spacecraft, equipped with the Athena lunar lander and the Lunar Trailblazer orbiter, both designed to conduct groundbreaking research and resource utilization studies on the lunar surface.
00:00 Space Time Series 28 Episode 27 for broadcast on 3 March 2025
00:49 Update on asteroid 2024 YR4 impact probability
06:30 Importance of new observations from the Very Large Telescope
12:15 Insights into the Martian core composition
18:00 Research on solid inner core possibilities
22:45 Overview of NASA's lunar IM2 mission
27:00 Archaeological discovery of an ancient Egyptian pharaoh's tomb
30:15 Discussion on the cultural significance of the Skinwalker Ranch series
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✍️ Episode References
NASA
https://www.nasa.gov
Nature Communications
https://www.nature.com/ncomms
Journal of Geophysical Research
https://agupubs.onlinelibrary.wiley.com/journal/21699356
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00:00 New observations have all but completely ruled out asteroid 2024 yr, uh 4 hitting Earth
00:49 New observations all but rule out asteroid 2020 yr 4 hitting Earth in 2032
04:23 New research suggests the Martian core may be at least partially solid
09:06 NASA's latest commercial lunar Payload Services Initiative mission launches on SpaceX rocket
12:48 The Prime One suite includes the Trident drill and the MSOLO spectrometer
18:03 This would be the second lunar landing for intuitive machines
21:22 Ocean currents may be able to withstand future global warming, study finds
23:10 Archaeologists have uncovered the tomb of an ancient Egyptian pharaoh
24:31 The History Channel Secret of Skinwalker Ranch is an alleged reality series