ScienceViolent History of Andromeda Galaxy Revealed Astronomers track movements of thousands of stars in nearby galaxy to uncover secrets of its past. Andromeda Galaxy shows signs of a cosmic collision, mergers in its history, they say.by Jim Algar
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ScienceScientists Devise Method to Estimate Magnetic Field of Distant Exoplanet: Here's How They Did itby James Maynard
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