Protostar

Description

gcse physics Mind Map on Protostar, created by Ella Wolf on 13/05/2013.
Ella Wolf
Mind Map by Ella Wolf, updated more than 1 year ago
Ella Wolf
Created by Ella Wolf over 11 years ago
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Resource summary

Protostar
  1. Main sequence Star
    1. Red Giant
      1. If the star is about the same size as the sun
        1. white dwarf
          1. Black Dwarf
        2. Red Super Giant
          1. If the star is much bigger than the sun
            1. supernova
              1. neutron star
                1. Black Hole
                  1. gravitational energy converts to heat energy
                    1. the temperature rises
                      1. Hydrogen nuclei undergo fusion to form helium nuclei
                        1. Gives out massive amounts of heat and light
                          1. A star is born
                    2. main sequence star goes through long stable period
                      1. because forces are balanced
                        1. The star maintains its energy output for millions of years due to the huge amounts of hydrogen it uses.
                          1. This stable period can last billions of years
                    3. dust and gas make a protostar through the force of gravity
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