Tag: Chandra X-ray

Sun-like stars calm down after turbulent youth

Sun-like stars and their less massive cousins calm down surprisingly quickly after a turbulent youth, making the atmosphere more suitable for evolution of life, says a new study. The researchers used data from NASA’s Chandra X-ray Observatory and European Space Agency’s XMM-Newton to see how the X-ray brightness of stars similar to the Sun behaves …

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September 7, 2017