The infrared Spitzer Space Telescope was launched into space to minimumize cost? T or F You see an emission spectrum from neon signs? T or F?


skeptik: 1) F

1) F: An infrared telescope works better in space because Earth's atmosphere blocks infrared light. 2) T: You see an emission spectrum from anything that emits electromagnetic energy - in other words, anything warmer than absolute zero.


F. T.


False for the Spitzer telescope. True for the neon signs.