Where do more recent isotopic evidence studies suggest Theia most likely originated within the young Solar System?

Answer

The inner Solar System

Recent research analyzing isotopic evidence implies that Theia was likely a 'native' resident of the inner system, similar to the planetesimals forming Earth.

Where do more recent isotopic evidence studies suggest Theia most likely originated within the young Solar System?

#Videos

What was Theia like? - YouTube

EarthCollisionprotoplanet