SpaceTime Series 28 Episode 18
The Astronomy, Space and Science News Podcast
Asteroid Threat Level Rusty, Dark Matter Experiment, and Martian Lava Rocks
In this episode of SpaceTime, we discuss the alarming increase in the threat level of near-Earth asteroid 2024 YR4, now assessed at a 2.3% chance of impacting Earth on December 22, 2032. With astronomers worldwide closely monitoring its trajectory, we explore the potential consequences of an impact from this asteroid, including the possibility of a catastrophic airburst or a significant surface collision.
New Dark Matter Experiment in Space
We also delve into an ambitious new experiment aimed at uncovering the mysteries of dark matter. Researchers are testing a device that could potentially detect dark matter by measuring tiny signals in a zero-gravity environment. This groundbreaking approach seeks to provide insights into the elusive substance that constitutes approximately 85% of the universe's mass.
Insights from Martian Lava Rocks
Additionally, we examine findings from NASA's Mars Perseverance Rover, which are shedding light on a critical period in Martian history. The analysis of igneous rocks in Jezero Crater suggests that the Martian crust was formed through widespread volcanism, offering a glimpse into the planet's geological evolution and its implications for understanding the early solar system.
00:00 Space Time Series 28 Episode 18 for broadcast on 10 February 2025
00:49 Increased threat from asteroid 2024 YR4
06:30 New dark matter detection experiment in space
12:15 Martian lava rocks and the history of the Red Planet
18:00 Microplastics accumulation in the human brain
22:45 WHO review on radio wave exposure and cancer
27:00 Genetically modified rice with reduced methane emissions
30:15 Jane Goodall's belief in Sasquatch and its implications
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✍️ Episode References
NASA
https://www.nasa.gov
Journal of Science Advances
https://www.science.org/journal/sciadv
Nature Medicine
https://www.nature.com/nm/
Molecular Plant
https://www.cell.com/molecular-plant/home
Australian Skeptics
https://www.skeptics.com.au

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