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

Question

Quizplus · Accepted Answer

X-rays are absorbed by Earth's atmosphere, making it impossible to observe them from the ground. Therefore, spacecraft like the Chandra X-Ray Observatory are necessary to study X-ray sources in the universe.

The Chandra X-Ray Observatory Must Operate in Space Because