Life Cycle Of A Star
Testo Storyboard
- Today we will be talking about the life cycle of a star.It all starts off with a nebula. A Nebula is a cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter.
- Nebula
- The dust and gas start collecting together, due to gravity, and form a protostar.
- Low Mass Protostar
- High Mass Protostar
- The protostar becomes so hot form the friction of collectin dust and gas, it ignites (Nuclear Fusion)
- High mass main sequence star
- Low mass main sequence star
- Overtime the stars collect more dust and gas and become large, making them Red Giants and Red SuperGiants.
- Red Supergiant
- Red Giant
- Planetary Nebula
- Eventually the stars die. The supegiant has so much energy it explodes(Supernova). The giant get so big the outer shells start to break off, forming a planetary nebula.
- Supernova
- After the supernova is over it can become 1 of 2 things. Some matter can collect and create a neutron star, or some matter will come together causing high levels of gravity causing a black hole to form.
- Nutron star
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- Black hole
- White dwarf
- After all the shells break off from a Planetary Nebula, it becomes a White Dwarf. After the star runs out of energy it becomes a black dwarf
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- Black dwarf
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