A white dwarf cannot support its own weight by its degenerate pressure if its mass is greater than 1.4 solar masses.
What are white dwarfs?
White dwarfs are stellar core remnant composed mostly of electron-degenerate matter.
White dwarf is very dense due to its large mass and smaller volume.
Reasons for comparable mass of white dwarfs and Sun
- Stars with main sequence masses less than about 0.5 solar masses cannot ignite the helium fusion required to become white dwarfs.
- A white dwarf cannot support its own weight by its degenerate pressure if its mass is greater than 1.4 solar masses.
Learn more about white dwarfs here: https://brainly.com/question/24873876
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