Ceres bright spot mystery solved
Dec 16, 2015 - 29:52
Radio and PodcastLive Radio & PodcastsReligion & Spirituality
Earth's magnetic field much older than we thought
Ancient minerals push back the age of Earth's magnetic field by more than 800 million years. Also; first auroras detected beyond our solar system, and Rosetta's Philae lander reveals its comet's secrets.
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