what are the advantages and disadvantages of using radio telescopes and probes to search for life in the universe?
How are radio waves used to detect objects in space?
They are less expensive that actually sending astronauts.
They can detect elements that light telescopes can’t.
Radio waves indicate a lot of tel-tale things that may indicate the possibility of life on those other heavenly bodies.
We can’t be sure until we get there…or it gets here.
It’s a tricky and sometimes high-maintinance thing to keep these telescopes and/or probes up there doing there thing.