Origins of the Universe 0.0 / 5 ? PhysicsEarth in spaceGCSEEdexcel Created by: hanrobothamCreated on: 02-05-16 16:40 What is Red-Shift? The displacement of spectral lines towards longer wavelengths (the red end of the spectrum) in radiation from distant galaxies 1 of 8 What does Red-Shift provide evidence for? The Universe is expanding. 2 of 8 What is CMB radiation? Cosmic microaves background radiation; the idea that low frequency EM radiation (microwaves) are coming from all parts of the universe. 3 of 8 What do CMB radiation provide evidence for? The Big Bang Theory as the universe expands and cools, the background radiation cools and drops in frequency. 4 of 8 What is the Big Bang Theory? The idea that all energy and matter was compressed into a very small space and then\ suddenly exploded, and continued expanding. 5 of 8 What is the Steady State Theory? The theory that the Universe has always existed as it does now and it always will. 6 of 8 What does the Steady State Theory explain? The expansion and redshift by suggesting that matter is being created in the spaces as the Universe expands. 7 of 8 What does Red-Shift suggest? That all galaxies are moving away from us very quickly. More distant galaxies have greater Red-Shift because they're moving faster. 8 of 8
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