Curious about stars? The Sun is a main sequence star, which means that it converts hydrogen into helium in its core in a process that keeps it from collapsing. It’ll become a red giant in about 5 billion years when it runs out of hydrogen. Learn more: https://universe.nasa.gov/stars/types/
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Types | Stars – NASA Universe Exploration
The universe’s stars range in brightness, size, color, and behavior. Some types change into others very quickly, while others stay relatively unchanged over trillions of years.NASA Universe Exploration
Finnley Dolfin
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