4 ms·What happens from birds, soot, bugs, airplanes, frisbees, and clouds?by brians 7y agoWhat happens from birds, soot, bugs, airplanes, frisbees, and clouds?xkjkls 7y agoThey don't emit giant amounts of EMR.xkjkls 7y agoAlso, almost all of those serious observatory telescopes don't have to worry about. Which is what we are talking about.gibolt 7y agoI'd love to read an article on how Frisbees are the biggest threat to observing the universe :D