News tagged with planetesimals

Exocomets may be as common as exoplanets

(—Comets trailing wispy tails across the night sky are a beautiful byproduct of our solar system's formation, icy leftovers from 4.6 billion years ago when the planets coalesced from rocky rubble.

dateJan 07, 2013 in Astronomy
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Binary planetesimals

( -- In fewer than ten million years, the material in the disk around a young star will either be accreted on to its star, dispersed into the interstellar medium, or converted into planets or smaller solid bodies. ...

dateJan 28, 2011 in Astronomy
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