The Quadrantids’ radiant lies in the now-defunct constellation Quadrans Muralis, a region of the sky occupied by Boötes. It’s ...
NASA's record-setting spacecraft was just 3.8 million miles from the sun's surface—the closest any human-made object has ever ...
In a recent study, an Italian astronomer has investigated the nature of a binary system known as HD 49798/RX J0648.0–4418.
When the Quadrantid meteor shower peaks on Friday, it will be the year's first chance to see fireballs in the sky.
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