Quote:
Originally Posted by toothdust
Actually, sounds like they mention both.
"The furthest planet in the new system orbits just inside a disk of dusty debris, similar to that produced by the comets of the Kuiper belt of our solar system (just beyond the orbit of Neptune at 30 times Earth-sun distance)."
"HR 8799's dust disk stands out as one of the most massive in orbit around any star within 300 light years of Earth," said UCLA'S Ben Zuckerman."
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I assume that English is not your first language. The fact that they mention "dust disk" twice does not imply that there are two dust disks.