Black hole, the size of a grapefruit could be Planet X, is lurking in the outer edges of the solar system - Firstpost 15-Jul-2020

Black hole, the size of a grapefruit could be Planet X, is lurking in the outer edges of the solar system - Firstpost

The telescope Legacy Survey of Space and Time should be able to confirm or rule out if Planet X is a black hole or no.

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