Although it's being mistakenly promoted as a "rare planetary alignment," one of the best "planet parades" in half a century ...
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You look out of the window on a clear night and you will see stars twinkling. But not everything twinkles in the night sky, namely the planets. There are five planets visible to the naked eye in ...
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High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.