"Planet Nine" may be a distant, dusty disc of rock and ice

Considering we've now detected almost 4,000 planets orbiting distant stars, it's easy to assume we already have an accurate head count in our own neighborhood – but that might not be the case. In recent years astronomers have found evidence that there might be a huge "Planet Nine" lurking on the fringes of our solar system. A new study has now poured some cold water on the idea, instead pitching the possibility that a dusty disc is causing all the weirdness out there.

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Category: Space

Tags:

• Asteroid
• Astronomy
• Kuiper Belt
• Planet 9
• Planet X
• Solar System
• University of Cambridge

from New Atlas (Gizmag) http://bit.ly/2W9Jv6P