There are no X-ray telescopes on Earth because A) they are too expensive to buil

Author Question: There are no X-ray telescopes on Earth because A) they are too expensive to buil (Read 520 times)

futuristic

Hero Member
Posts: 638

on: Aug 27, 2013

There are no X-ray telescopes on Earth because
A) they are too expensive to build
B) no one has yet invented an X-ray telescope that works
C) we can't figure out how to direct an X-ray beam through space
D) X-rays don't penetrate Earth's atmosphere
E) there are no astronomical objects that emit X-rays

curlz

Hero Member
Posts: 538

Reply #1 on: Aug 28, 2013

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