1.2 Star Life Cycles
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11 Terms
Gravity
A force that pulls 2 objects toward each other
As mass increases, the force of gravity...
increases
As distances increases, the force of gravity...
decreases
Luminosity
The brightness of a star as compared to our sun.
Mass
The amount of matter in an object.
Nebula
A cloud of gas and dust that is the birthplace of a star and its planets.
Nuclear Fusion
The process of fusing two light atomic nuclei together to form a heavier atom and a tremendous amount of energy.
Nucleosynthesis
The creation of new atomic nuclei like during nuclear fusion.
Supernova
An explosion that happens in a high mass star near the end of its life.
Sustain
To keep something going.
Hertzsprung-Russell diagram
organizes the family of stars into a diagram; across the bottom is star's temperature and side is star's absolute magnitude; a star's temperature and color depend on how big the star is
Note 
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