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Ch 26: The Age of the Universe from CMB
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Gravity
Terms in this set (9)
color coding map
CMB needs tools of laws of physics, properties of universe to understand
power spectrum
how much energy you've got in a spot of different sizes
spatial frequency
how often something happens across space (instead of time)
COBE map
spots of different sizes like tiles of diff sizes, most of map covered with .6 degree size spots
most, dominant
- power in small spots, a few spot sizes are -
sound waves
air is gas, air motion- air flows in waves from end to end in a tube, pressure wave has regions of high density pressure and regions of low density/ pressure
inflation
process put enormous amounts of energy into expanding universe; triggered sound waves
further
smaller angle, - away
13.73
exact age of universe from WMAP
THIS SET IS OFTEN IN FOLDERS WITH...
Ch 19: Expanding Universe
22 terms
Ch 20: The Hubble Age
14 terms
(UNIT 1) Tools of the Trade and A Sense of Scale
21 terms
Ch 21: The Accelerating Universe
22 terms
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