The SOFIA Project is
A) a small Lear jet with an 8-inch visible-light telescope on board, designed to search for lost NASA spacecraft
B) an x-ray telescope flying many kilometers up (so high that it had to be automated)
C) a balloon designed to fly above the ozone layer and search for ultraviolet radiation from space
D) an airplane with an infra-red telescope on board designed to fly above much of the water vapor in the Earth's atmosphere
E) a NASA aircraft used only by Hollywood movie-makers to teach what it's like in free fall

Question

Quizplus · Accepted Answer

The SOFIA (Stratospheric Observatory for Infrared Astronomy) Project is an airplane with a 2.5-meter infra-red telescope on board that is designed to fly above much of the water vapor in the Earth's atmosphere, allowing it to capture clearer images of celestial objects in the infrared spectrum.

The SOFIA Project Is