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Telescopes
: answer only
What are the two types of telescopes that would be at point X on the diagram?
Why is a dark, low humidity location less important for telescopes that work at the “+” from the diagram?
If I had a group of telescopes in the “+” region, what term would I use?
What is the building that holds telescope X called?
Why are telescopes in space better for seeing the whole EM Spectrum?