Search results: artificial satellites

many modern scientific achievements and groundbreaking studies contributing to the development of human civilization all began with the pioneering russians.

in 2018, an artificial diamond called orbital reflector will be introduced into space on spacex and on earth's low orbit for nearly two months to light up the night sky.

gravity, also known as gravity, helps things stick to the ground but at the same time it also causes trouble when we want to leave earth into space. but how do people still get