As for microwave, there is SO much confusion about microwaves but here's the deal: there are all kinds of waves, radio waves, light bulb waves,
ultra violet waves, etc. microwaves are somewhere between radio & light bulb waves.
Not exact matches
Radio Astronomy was one of the first steps towards Modern Astrophysics, which also uses the rest of the «invisible» light (e.g. infra red,
ultra violet, X-rays, radio
waves) that comes to us from objects around us in space.
Filling out the entire electromagnetic spectrum, in order of low - energy and low - frequency to high - energy and high - frequency, we have: radio
waves, micro
waves, ROYGBIV,
ultra violet, x rays, and gamma rays.