Monday Feb 10, 2025

Asteroid Threats, Dark Matter Discoveries, and Martian Volcanism Unveiled: S28E18

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