Natural satellites are organic objects that orbit the earth such as the moon. Artificial satellites are objects humans propel through the earth's atmosphere in order to orbit the earth such as...
Skylab WAS an artificial satellite, as the name might imply. It was de-orbited and fell to Earth on July 11, 1979, scattering debris over the Indian Ocean and parts of Western Australia.
Natural selection and artificial selection both involve an organism's traits being determined by how much they're favored. Then, the organisms with favorable traits pass those traits on to future...
A satellite is a body orbiting another like a planet or moon. A natural satelite is not man-made. The moon and other bodies were called this before the artificial, or man-made satellites were ever...