the_fungible_man t1_jbw8pt7 wrote
Reply to comment by stanerd in What if an interstellar object like Oumuamua crashes into Earth? by stanerd
Most of the impactor (estimated to have been approximately the size of Mars) was incorporated into the Earth, while debris from the collision, partly from the Earth and partly from the impactor, coalesced to form the Moon.
Viewing a single comment thread. View all comments