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Author Question: X-ray telescopes are located in orbit around the Earth because A) X-ray telescop (Read 659 times)

futuristic

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on: Aug 27, 2013
X-ray telescopes are located in orbit around the Earth because
A) X-ray telescopes on Earth would have to be too big.
B) X-ray telescopes are cheap and easy to launch into space.
C) there are too many X-ray telescopes on Earth, so now they are put in space.
D) X-rays don't reach the surface of Earth.
E) the X-rays that come out of the telescopes are dangerous to humans.


curlz

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Reply #1 on: Aug 28, 2013
D


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