[Answer] What happens first when a star begins to run out of fuel?The star’s core shrinks.The star becomes a black hole.The star becomes a white dwarf.The star’s outer layer drifts away.

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What happens first when a star begins to run out of fuel?The star’s core shrinks.The star becomes a black hole.The star becomes a white dwarf.The star’s outer layer drifts away.

The first two were patches of dim white light (by the way there were thin clouds when I saw this) about 1 degree large moving quickly across the sky. “Quickly” in this case means “faster than the high-altitude airplanes that leave visible trails about the speed of the airplanes that don’t leave trails and whose blinking lights can be …

Stellar evolution – Wikipedia

Stellar evolution – Wikipedia

Stellar evolution is the process by which a star changes over the course of time. Depending on the mass of the star its lifetime can range from a few million years for the most massive to trillions of years for the least massive which is considerably longer than the age of the universe.The table shows the lifetimes of stars as a function of their masses.

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Red giants are evolved from main-sequence stars with masses in the range from about 0.3 M ☉ to around 8 M ☉. When a star initially fo…

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