Ultraviolet radiation is hard to observe primarily because
A) the Earth's atmosphere easily absorbs it.
B) no space-based telescopes operate at ultraviolet wavelengths.
C) only the lowest mass stars emit ultraviolet light.
D) very few objects emit at ultraviolet wavelengths.

Question

Quizplus · Accepted Answer

Ultraviolet radiation is absorbed by Earth's atmosphere and does not reach the ground, making it difficult to observe from the ground. Space-based telescopes are used to observe ultraviolet radiation, but even then, the Earth's atmosphere still absorbs some of it.

Ultraviolet Radiation Is Hard to Observe Primarily Because