Seudónimo Seudónimo

11-01-2017
Physics

contestada

What is a star's main fuel during its lifetime? A. hydrogen B. carbon C. helium D. oxygen

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Kalahira Kalahira

05-01-2018

The star's main fuel during its lifetime is hydrogen. It is said that a star is composed of 97% hydrogen and 3% helium. Once the hydrogen of a star is gone, the star becomes old because it burns hydrogen during its lifetime.

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