What is the end-stage remnant for a less massive star, such as our Sun, after it exhausts its fuel?

Answer

A white dwarf

A less massive star like the Sun will puff up into a red giant and then shed its outer layers, leaving behind a white dwarf, having only fused hydrogen and perhaps briefly helium.

What is the end-stage remnant for a less massive star, such as our Sun, after it exhausts its fuel?

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