Why do astronomers prefer to put infrared telescopes on high-flying airplanes or on satellites in space?
A) because no infrared radiation can exist anywhere near the Earth's surface
B) because the water vapor in the lower atmosphere is very good at absorbing infrared
C) because high up the Sun's energy can be used to heat the infrared telescope
D) because that way they are significantly closer to the objects they observe
E) You can't fool me, all infrared telescopes are located on the Earth's surface
Section 6.6: The Future of Large Telescopes

Question

Quizplus · Accepted Answer

Water vapor in the lower atmosphere is very good at absorbing infrared radiation, which makes it difficult for ground-based infrared telescopes to observe certain wavelengths. Placing the telescopes on high-flying airplanes or satellites in space allows them to avoid this interference from the atmosphere.

Why Do Astronomers Prefer to Put Infrared Telescopes on High-Flying