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A pair of comets partially melt as they collide in an inset image, lower right, with the system’s young star and accretion disk in the background.
Photo Credit
Thomas Müller (MPIA/HdA)
Scientist imagine the scene when two comets collided in the Fomalhaut system, only 25 light years from Earth.

Astronomers discover huge dust clouds from violent collisions around nearby star

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Protecting Ocean Species

Signed and Sealed

Dissecting Paleoclimate Change

A Fine Kettle of Fish

A Sticky Breakthrough

Craig Hawker Named AAAS Fellow

Presidential Recognition

An Easy Pill to Swallow

Ms. Clean

A Helping Hand

Accounting for Taste

A Bigger Bang at CERN
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