Jupiter Shields Europa from Cosmic Rays That Could Erase Evidence of Life

D-brief
By Erika K. Carlson
Oct 15, 2019 5:19 PMNov 18, 2019 11:46 PM
(Credit: Britney Schmidt/Dead Pixel VFX/Univ. of Texas at Austin)
(Credit: Britney Schmidt/Dead Pixel VFX/Univ. of Texas at Austin)

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Europa, one of Jupiter’s four largest moons, has an ocean of liquid water beneath its icy crust. In the coming years, scientists hope to send probes to the world to study the chemistry of its ocean and look for possible signs of alien life. One challenge is figuring out whether radiation hitting Europa would tamper with potential chemical evidence of life.

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