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Star clusters can disrupt planetary systems, tossing planets into black holes

11 Feb 2020, 14:00 UTC
Star clusters can disrupt planetary systems, tossing planets into black holes Harvard-Smithsonian CfA / David Aguilar

As I write this, over 4,100 exoplanets — planets orbiting other stars — have been discovered, with more found nearly every day. The first was announced in 1992 and things progressed slowly at first, but we now have dedicated space missions looking for them, and that total number has and will continue increase a lot.

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