Light pollution coming from thousands of artificial satellites orbiting the earth reflecting back light from the sun or emitting radio waves which is also electromagnetic radiation. These are the two components. To deal with the first one I would say technically it's sort of a trivial thing and yet you're not doing it. There are many other things in the history of humanity which were trivial and we have not been dealing with it but this is another example of that.
How do we discover more exoplanets? Neil deGrasse Tyson and comedian Matt Kirshen explore telescopes, exoplanets, and more with professor of astrophysics and Principal Investigator of HATNet Exoplanet Survey, Gáspár Bakos.
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Photo Credit: Juliancolton, CC BY-SA 4.0, via Wikimedia Commons
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