What processes formed Earth and its layers ? In what ways could astronomers apply what we know about Earth's formation to that of other planets and the universe?

Many archeologists and anthropologists disagree with dr. thorne's view.  thorne strongly believes that what many calls "homo erectus"  was in fact  homo sapiens,  and that they migrated out of africa almost 2 million years ago and dispersed throughout europe and asia. that's way different  from what scientists have always believed about the evolution of the species.

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Sorry i was trying to figure out the answer to your question. but can't sorry