Phil Plait on Nostr: Two mysterious blobs floating in Earth's lower mantle may be pieces of an alien ...
Two mysterious blobs floating in Earth's lower mantle may be pieces of an alien planet.
So, um, yeah.
https://badastronomy.beehiiv.com/p/two-mysterious-blobs-earths-mantle-actually-alien-planet
So, um, yeah.
https://badastronomy.beehiiv.com/p/two-mysterious-blobs-earths-mantle-actually-alien-planet