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Big Bang, CBR, Emis.

Quiz Review

QuestionAnswer
Doppler Effect the increase or decrease in the frequency of sound, light, or other waves as the source and observer move towards or away from each other.
redshift the wavelength of the light is stretched, so the light is seen as 'shifted' towards the red part of the spectrum
galaxy a huge collection of gas, dust, and billions of stars and their solar systems
cosmology scientific study of the large scale properties of the universe as a whole
Cosmic Microwave Background Radiation (CMBR) leftovers from Big Bang
How did the universe begin? The Big Bang was the moment 13.8 billion years ago when the universe began as a tiny, dense, fireball that exploded
How Does Redshift Prove the Universe is Expanding? The more red-shifted the light from a galaxy is, the faster the galaxy is moving away from Earth.
Created by: user-2062198
 

 



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