23 min listen
Water Worlds May Hide Water Underground Summary
Water Worlds May Hide Water Underground Summary
ratings:
Length:
23 minutes
Released:
Sep 9, 2022
Format:
Podcast episode
Description
A population study of 43 exoplanets orbiting M-dwarf stars used both the transit method and radial velocity method to find the densities of the worlds and a surprising pattern emerged. The planets are less dense than expected, suggesting they are not purely rock but half-rock and maybe half-water. Plus, star factories in the Milky Way, glaciers on ancient Mars, and This Week in Space History.
Released:
Sep 9, 2022
Format:
Podcast episode
Titles in the series (97)
Rogue Black Hole Possibly Found in Milky Way: After six years of Hubble Space Telescopes and the hypothesis that millions of black holes exist in the Milky Way, scientists have finally found direct evidence for the existence of one such black hole. Plus, planetary formation, a wandering star, and... by EVSN: Escape Velocity Space News