Many things:
You can get a radio signal from space on your computer using SETI.
I had to think for this one but me being eleven I'm surprised nobody could answer but there are none on earth that i know of its in space a star, a star gives off radio waves.
radio astronomy...:)
radio astronomy
A radio telescope.
There are various objects that can be responsible for radio emissions in space. These objects are referred to as astronomical radio sources.
Objects such as pulsars, radio galaxies, supernova remnants, and active galactic nuclei are known to emit radio waves in space. These emissions can be detected by radio telescopes and provide valuable information about the nature and behavior of these cosmic objects.
yes, this is why we had two-way radio contact ( and still do) with NASA manned space craft. Also don't forget . . . -- radio contact with Apollo astronauts on the moon -- radio contact with the International Space Station -- receiving pictures and data from the Hubble Space Telescope -- receiving TV at home from stationary satellites -- radio contact with Curiosity on Mars -- radio-astronomy
they use radio waves to pick up some what satellite images or existance of things in space
Radio Telescope
radio astronomy
Radio Satellities in space, that's the basic way of saying it.