16-03-2016 18:28 via scitechdaily.com

Astronomers Show Magnetic Field is Critical for Life

Newly published research from the Harvard-Smithsonian Center for Astrophysics shows that any Earth-like planet would need a magnetic field in order to protect its atmosphere and be habitable. Nearly four billion years ago, life arose on Earth. Life appeared because our planet had a rocky surface, liquid water, and a blanketing atmosphere. But life thrived […]
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