Protostar

Descripción

gcse physics Mapa Mental sobre Protostar, creado por Ella Wolf el 13/05/2013.
Ella Wolf
Mapa Mental por Ella Wolf, actualizado hace más de 1 año
Ella Wolf
Creado por Ella Wolf hace más de 11 años
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Resumen del Recurso

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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