A _______ is a massive celestial body of hot gas that creates its own internal energy.
Question
A _______ is a massive celestial body of hot gas that creates its own internal energy.
Solution
The blank in the statement can be filled with the word "star."
A star is a massive celestial body made up primarily of hydrogen and helium, undergoing nuclear fusion in its core. This process generates energy, which causes the star to emit light and heat. The internal energy produced by a star is responsible for its luminosity and the various phenomena observed in the universe. Stars vary significantly in size, temperature, and stage of their life cycle, including classifications like red giants, white dwarfs, and supernovae, contributing to the complex dynamics of galaxies. Understanding stars is fundamental to astronomy and helps explain the formation and evolution of the universe.
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