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"Light Echoes" Prove That This Neutron Star is Weirdly Like a Black Hole

Between rainbows, rings, and sharp, hard lines, it’s difficult to not clap my hands in glee while unpacking the levels of awesome crammed in this X-ray image of Circinus X-1. The beautiful bullseye light echoes hint this neutron star is farther, brighter, and more like a black hole than we thought. » 6/25/15 10:00pm 6/25/15 10:00pm