• More than 4,000 exoplanets have been discovered so far, but what happens when they collide?

    A newly published study looks at a star system, BD + 20 307, more than 300 light-years from Earth, which may contain evidence of two exoplanets recently colliding.

    Astronomers analyzed data from NASA's Stratospheric Observatory for Infrared Astronomy, which "revealed the infrared brightness from the debris has increased by more than 10 [percent] — a sign that there is now even more warm dust," according to a statement announcing the findings.

    Artist’s concept illustrating a catastrophic collision between two rocky exoplanets in the planetary system BD +20 307, turning both into dusty debris.


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