armstrong and feellow astronaut edwin buzz aldrin spent more than two hours walking on the moon. in their space suits, they found walking and even running easy. this is due to the moon's gravity, which is one-sixth of earth's. the astronauts planted a U.S. flag on the moon. they set up three experiments. they collected rock samples from the moon's surface. they also made satellite contact with the white house. this led to another historic moment richard M. nixon became the first president to chat with someone on the moon