Radio waves are often referred to as space waves because they have the ability to move through space. Radio waves are a type of electromagnetic radiation.
only the command modue came back to earth
return
Apollo 13 came back to earth on the 17th of April 1970.
in 2010
it came from long ago back in the b.c
MONKEYS
The Command Module.
The space shuttle.
discovery
The command module is the only part to come back to earth, it is now in Washington.
They returned on to the earth again on 24/7/1969.
I believe "The Man Who Fell to Earth" came out in 1978, about an alien that came to earth looking for water to bring back to his dying planet.