Some Hubble Space Telescope History
The Hubble Space Telescope, named after Edwin Hubble, was built by NASA, and launched into space in 1990. At the time, astronomers the world over expected great discoveries to be ...
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The Hubble Space Telescope, named after Edwin Hubble, was built by NASA, and launched into space in 1990. At the time, astronomers the world over expected great discoveries to be ...
There are two basic kinds of telescopes for the backyard observer, reflector and refractor, and they differ in the way they gather and focus light onto the eyepiece. The type ...
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