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NASA's Spitzer Space Telescope

Pulverized Planet Dust May Lie Around Double Stars

23 Aug 2010, 00:00 UTC
Pulverized Planet Dust May Lie Around Double Stars

Tight double-star systems might not be the best places for life to spring up, according to a new study using data from NASA's Spitzer Space Telescope. The infrared observatory spotted a surprisingly large amount of dust around three mature, close-orbiting star pairs. Where did the dust come from? Astronomers say it might be the aftermath of tremendous planetary collisions.

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