Corey S Powell on Nostr: 3. Perhaps the most intriguing discovery in the outer solar system: Ammonite, an ...
3. Perhaps the most intriguing discovery in the outer solar system: Ammonite, an ancient ~300-kilometer-wide chonk that loops up to 252 times as far from the Sun as Earth.
It orbits roughly where the proposed Planet 9 should be...likely meaning that Planet 9 doesn't exit.
https://subarutelescope.org/en/results/2025/07/14/3574.html #space #science #nature #astronomy