SpaceTime Series 28 Episode 46

The Astronomy, Space and Science News Podcast

Unraveling Black Hole Jets, Martian Dust Devils, and Earth's Tectonic Mysteries

In this episode of SpaceTime, we explore groundbreaking research that sheds light on how black holes generate their powerful plasma jets. A new study reveals that these jets are formed when superheated gas experiences a rapid shrinking towards the black hole's event horizon, offering insights into galaxy evolution and the fundamental physics of black holes. We discuss the implications of these findings for understanding cosmic phenomena and the behavior of matter in extreme gravitational fields.

NASA's Mars Perseverance Rover Observes Martian Twisters

Next, we delve into the fascinating observations made by NASA's Mars Perseverance Rover, which has captured images of dust devils swirling on the rim of Jezero Crater. These dust devils, including one consuming another, provide important data on Martian atmospheric conditions and help refine our climate models of the Red Planet. The rover's findings highlight the role of these phenomena in influencing Martian weather and surface interactions.

New Insights into Earth's Tectonic Plates

Additionally, we discuss a new study that uncovers how anomalies in the Earth's mantle transition zone affect the movement of tectonic plates. The research suggests that thick basaltic rock compositions within this zone can influence the trajectory and speed of subducting plates, which is vital for understanding the recycling of surface materials and the long-term stability of Earth's climate. This discovery opens new avenues for studying plate tectonics and its implications for our planet's habitability.

00:00 Space Time Series 28 Episode 46 for broadcast on 16 April 2025

00:49 Mechanisms behind black hole jet formation

06:30 Implications for galaxy evolution and black hole physics

12:15 Mars Perseverance Rover's dust devil observations

18:00 Importance of dust devils in Martian climate studies

22:45 Insights into Earth's tectonic plate movement

27:00 Summary of recent geological findings

30:15 Science report: Social media's impact on body image

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✍️ Episode References

Publications of the Astronomical Society of Japan

https://www.jstage.jst.go.jp/browse/pasj (https://www.jstage.jst.go.jp/browse/pasj)

Nature

https://www.nature.com (https://www.nature.com/)

PLOS One

https://journals.plos.org/plosone/ (https://journals.plos.org/plosone/)

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Episode link: https://play.headliner.app/episode/26655233?utm_source=youtube