Three Things You Should Know About Telescopes

Three Things You Should Know About Telescopes

1) They Come in Three Flavors Image credit: Dale Mahalko. All telescopes fall into one of three categories: refracting, reflecting, or combination. Most modern telescopes favor the reflector method for practical reasons. It’s easier to create and transport a large, precise parabolic mirror than a lens of equal usefulness. Mirrors also eliminate the problem of

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