Sinopsis
An irreverent and informative tour of the latest, greatest and most interesting discoveries in astronomy.
Episodios
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The Mystery of Mars' Missing Air
29/11/2015 Duración: 29minWhy is there no air on Mars? NASA's MAVEN mission has supplied some details on how our neighbor lost what was likely a robust atmosphere comparable to Earth's. Spoiler alert: size does matter. Mars' diminutive scale poses a number of problems for holding onto the atmosphere. MAVEN has now witnessed erosion of the atmosphere due to the solar wind. Hear about Mars and more on this episode of Walkabout the Galaxy.