3 ms·
The article explains that Planet X is a possible explanation for the apparent regularity of mass extinction events. Planet 9 is a separate concept to explain th
by xattt 1y ago
The article explains that Planet X is a possible explanation for the apparent regularity of mass extinction events. Planet 9 is a separate concept to explain the bunching of Kuiper Belt objects, like Sedna.
- goku12 1y agoIn other words, PlanetX was a hypothetical rogue planet that appeared unexpectedly from the abyss of deep space and ambushed the unsuspecting Earth every once in a while. It has a dormamu vibe. I see why the scientists didn't like it.