You hear a news story about an X-ray telescope being built on Earth.You know this can't be possible because
A) X-rays do not travel very far through Earth's atmosphere.
B) X-ray telescopes are impossible to build.
C) X-ray telescopes would receive too much interference from hospitals.
D) it would cost too much money.
E) X-rays see through things, making them pointless for observations.

Question

Quizplus · Accepted Answer

X-rays are absorbed by Earth's atmosphere, so X-ray telescopes need to be placed in space to observe cosmic X-ray sources effectively.

You Hear a News Story About an X-Ray Telescope Being