Stars Vocabulary

Stars Vocabulary

שקופית: 1
FUSION
A nuclear reaction where two lighter nuclei are joined together, creating a heavier nucleus and releasing energy.
שקופית: 2
STAR
A star is a large sphere in space that is luminous and releases energy due to nuclear fusion. Our sun is a star.
שקופית: 3
HYDROGEN
Hydrogen is the first element in the periodic table, consisting of one proton and one electron. Hydrogen is the main nuclear fuel of stars.
שקופית: 4
NEBULA
A nebula is an interstellar cloud of gust and gas.
שקופית: 5
DENSITY
High Density
Low Density
A measure of the mass per unit density.

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