Astronomers estimate that the Sun has enough fuel for hydrogen fusion to last how many more years?
Physics · High School · Thu Feb 04 2021
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According to astronomers estimate that the sun has enough fuel for hydrogen fusion to last 5 billion years . The battle between gravity and the energy from fusion reactions fuels our sun and billions of other stars in our galaxy and beyond. But in about 5 billion years, the sun will run out of hydrogen .