[FOTZeiss] Earth-like Exoplanets w/out Magnetic Field May be Lifeless

[Glenn A. Walsh]

Earth-like Exoplanets w/out Magnetic Field May be Lifeless

To support life as we know it, planets need thick, water-rich atmospheres and liquid surface water.

But water can get blasted away by stellar winds unless the planet has a strong magnetic field, point out Jorge Zuluaga at the University of Antioquia in Colombia and colleagues.

http://spacewatchtower.blogspot.com/2013/04/earth-like-exoplanets-wout-magnetic.html

gaw

Glenn A. Walsh, Project Director,
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