The Chandra X- ray Observatory must operate in space because
A)X- rays are too dangerous to be allowed on the ground.
B)X- ray telescopes require the use of grazing incidence mirrors.
C)It was built by NASA.
D)X- rays do not penetrate Earth's atmosphere.

Question

Quizplus · Accepted Answer

X-rays do not penetrate Earth's atmosphere, so the Chandra X-ray Observatory must operate in space to detect and study them.

The Chandra X- Ray Observatory Must Operate in Space Because