In this illustration, a hot, dense, expanding cloud of debris gets stripped from neutron stars just before they collide. COLUMBUS,…
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Star ‘DNA’ Survey Could Reunite the Sun with Its Long-Lost Siblings
Elements in distant stars could reveal whether they originated in the same stellar nursery as our sun. Is the sun…
‘Interplanetary Shock Wave’ Spawns Electric-Blue Auroras
A moderate geomagnetic storm kicked up in Earth’s skies Friday morning (April 20), bringing green and rare electric-blue auroras…