Objects at the edge of our solar system are acting weird.

Added: 2026-05-17

[00:00:00]Planet Nine.

[00:00:00]>> Planet Nine.

[00:00:01]>> Planet Nine.

[00:00:02]>> Astronomers expected the orbits in the [music] Kuiper Belt, that wide ring of frozen leftovers stretching far past Neptune, to be a chaotic mess, but that is not what they found. Instead, a small group of these [music] distant icy worlds all seem to lean the same way, as if every single one of them is being tugged by the same invisible hand. The simplest explanation for this cosmic alignment is a real [music] physical planet, something around five to 10 times the mass of Earth.