SpaceTime Series 28 Episode 21
The Astronomy, Space and Science News Podcast
Shifting Dynamics of Earth's Inner Core, China's Lunar South Pole Mission, and Insights into Hot Jupiter Exoplanets
In this episode of SpaceTime, we explore groundbreaking research revealing that Earth's inner core may be less solid than previously believed. A new study indicates that the near surface of the inner core is undergoing structural transformations, influenced by interactions with the turbulent outer core. This discovery provides fresh insights into the dynamics of Earth's core and its impact on the planet's magnetic field and rotation.
China's Chang'e 7 Mission: A Quest for Lunar Water Ice
We also discuss China's upcoming Chang'e 7 mission, set to launch next year, which aims to search for water ice at the lunar south pole. This mission will employ advanced technologies to locate and analyze water ice deposits, crucial for supporting future manned missions to the Moon and beyond. The Chang'e 7 mission will include an orbiter, lander, rover, and a mobile hopper designed for traversing shadowed craters.
Hot Jupiter Progenitor: New Discoveries in Exoplanet Research
Additionally, we delve into the fascinating discovery of a hot Jupiter exoplanet with an eccentric orbit, shedding light on the formation processes of these gas giants. The research indicates that this planet has likely been influenced by a binary star system, providing new evidence for the mechanisms behind hot Jupiter migration and evolution.
00:00 Space Time Series 28 Episode 21 for broadcast on 17 February 2025
00:49 New findings on Earth's inner core
06:30 Overview of China's Chang'e 7 mission
12:15 Insights from the discovery of a hot Jupiter exoplanet
18:00 Implications for planetary formation theories
22:45 The significance of lunar water ice for future missions
27:00 Understanding the dynamics of celestial bodies
30:15 The impact of climate change on global temperatures
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✍️ Episode References
NASA
https://www.nasa.gov
Nature Geoscience
https://www.nature.com/ngeo/
Journal of Nature Climate Change
https://www.nature.com/nclimate/
Macquarie University
https://www.mq.edu.au