Far Infrared Astronomy Must Be Done from High-Flying Aircraft Because

question 108

Multiple Choice

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 other choices are correct.

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