Cycle of the Life of a Star
Storyboard Descrizione
Life Cycle of a Star Chart Storyboard
Testo Storyboard
- Diapositiva: 1
- STELLAR NEBULA
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- A nebula is a cloud of dust and gas that collapses under its own weight. As the cloud collapses, it gets warmer. When it reaches a certain temperature, nuclear fusion starts.
- Diapositiva: 2
- MAIN SEQUENCE STAR
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- At this stage, the outward pressure caused by nuclear fusion is balanced by the force of gravity holding the star together. The energy created by the nuclear fusion is emitted as radiation.
- Diapositiva: 3
- RED GIANT
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- When the star has used up its nuclear fuel (hydrogen), the star grows in size and the outer layers cool, making the star red.
- Diapositiva: 4
- PLANETARY NEBULA
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- These are some of the most beautiful objects that can be observed in the night sky. A planetary nebula occurs when the outer layers of the star are lost when moving from a red giant to a white dwarf.
- Diapositiva: 5
- WHITE DWARF
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- A white dwarf is a hot, small, dense, dead star. This is the core of a star that remains after the outer layers have drifted off in the planetary nebula.
- Diapositiva: 6
- BLACK DWARF
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- After a long period of time, the hot, dense core known as a white dwarf cools and stops radiating light.
Attribuzioni Immagine
- Planetary Nebula - NASA Goddard Photo and Video - (Licenza Attribution )
- The Orion Nebula and cluster from the VLT Survey Telescope - European Southern Observatory - (Licenza Attribution )
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