Radio waves travel with the highest speed in vacuum, and slightly slower in air.
So they move slightly faster in space than on earth.
radio astronomy...:)
radio astronomy
radio astronomy
radio astronomy
A radio telescope.
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.
radio waves
Radio Waves! (:
radio waves
they use radio waves to pick up some what satellite images or existance of things in space
Radio waves and light waves.
Radio Telescope