Planetary Radio: Space Exploration, Astronomy and Science
What’s hidden inside planets?
Jan 17, 2024
This week on the podcast, Sabine Stanley, Professor of planetary physics at Johns Hopkins University and author of the book 'What's Hidden Inside Planets?', discusses the amazing things that lie beneath the surfaces of planets. Topics include studying planetary interiors, mantle blobs, plate tectonics on Mars, seismic activity and composition of planets, Jupiter's interior structure, and exploring the internal workings of gas giants and ice giants. The podcast also touches on NASA's Commercial Lunar Payload Services program and the naming origins of space shuttles.
01:13:50
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Quick takeaways
- Mercury's large iron core was formed through a collision early in its formation.
- Studying Venus' interior is challenging due to the lack of seismology, slow rotation, and absence of a magnetic field.
Deep dives
Mercury's Giant Core
Mercury has a large core relative to its size due to a possible collision early in its formation that stripped away its mantle. This collision blew off the rocky layer and left behind a large iron core.
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