Runaway Stars Create Stunning Bow Waves

Stars can run, but they can’t hide.

Data from NASA’s WISE and Spitzer telescopes shows that fast-moving, runaway stars push a massive cloud of superheated gas in front of them as they plough through space, creating a brilliant arc that betrays their position. The findings were presented this week at the 227th meeting of the American Astronomical Society, in Kissimmee, Florida. Scientists hope to use these “bow waves” to locate and study fleeing stars throughout the galaxy.
Telltale Signs

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