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Science Astronomy Un

QuestionAnswer
Nuclear Fusion (star) Combine Hydrogen to form Helium
Raidation The energy from a star that reaches earth
We see radiation as... Light and heat
Isotope Same element different # of nutrons
What's the first step in making a star Stellar Nebulla
Stellar Nebula A cloud of H and He
Supernova The explosion of a red supergiant, creates the rest of the elements (collision of atoms)
Hubble law the further away a galaxy is the faster it moves away
Doppler effect Blue towards, red away (Red shift)
Big bang therory The universe began 13.7 billion years ago with an enormous explosion
How do we know that the big bang theory is true The left over radiation in the form of microwaves
Red shift The farther away you get the bigger wavelength
Blue light Young
Red light Old
Created by: julesda
 

 



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