Astronomy quest...?

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Far infrared astronomy must be done from high-flying aircraft because

a. far infrared radiation is absorbed low in Earth's atmosphere
b. far infrared photons are quite energetic
c. far infrared telescopes are not very heavy
d. far infrared sources are very bright
e. none of the above

2007-03-07 06:27:32 · 2 answers · asked by nicky 1 in Science & Mathematics ➔ Astronomy & Space

2 answers

far infrared radiation is absorbed low in Earth's atmosphere

2007-03-07 06:32:27 · answer #1 · answered by indiana_jones_andthelastcrusade 3 · 0⤊ 0⤋

Hi. Indi is correct. But most of this type of observation can be done better from space.

2007-03-09 15:02:29 · answer #2 · answered by Cirric 7 · 0⤊ 0⤋