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When did Planet X become planet 9? Is it because Pluto was a planet and now no longer is so the X was really a Roman numeral vs a variable (if)?
by rootsudo 1y ago
When did Planet X become planet 9? Is it because Pluto was a planet and now no longer is so the X was really a Roman numeral vs a variable (if)?
- deleted 1y ago[deleted]
- xattt 1y agoThe 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.