I heard that there were 3 guys who invented it but the name is not coming to my mind
the person Who invented light telescopes?
it was Galileo Galilei who invented it,
X-ray telescopes usually cost anywhere from $600 to about $850 brand new but the average cost of an used x-ray telescope is $350 to about $500.
x-ray
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No, x-rays and gamma rays are blocked by our atmosphere, if you want to observe them, you have to go into space.
The Hubble telescope was a basic reflector telescope with a 94.5 ft mirror. The Hubble collects light though its open end, the primary mirror reflects the light to a secondary mirror that then reflects the light through a hole in the primary mirror to a focal point of the instruments or eyes of the Hubble.
X-ray telescopes usually cost anywhere from $600 to about $850 brand new but the average cost of an used x-ray telescope is $350 to about $500.
x-ray
X-ray telescope
x-ray
No because, most ultraviolet radiation are blocked by earth's atmosphere.
There are four: Hubble Space Telescope, Compton Gamma Ray Observatory, Chandra X-ray Observatory, and the Spitzer Space Telescope.
Gamma, X-ray, Optical, and Radio
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Optical telescope or Radio telescope.It could also be an X-ray telescope, but only on a spacecraft, since not much X-ray signalsurvives the trip through the atmosphere.
NuSTAR (the Nuclear Spectroscopic Telescope Array)is a space-based X-ray telescope.
x 87 y 16
X=87 y=16