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A white dwarf is very small as stars go; comparable in size to a small planet such as Earth.
A white dwarf is very small as stars go; comparable in size to a small planet such as Earth.
No, a white dwarf is not considered a main sequence star. A main sequence star is a star that is still fusing hydrogen in its core. A white dwarf is the remnant of a low to medium mass star in which fusion has stopped.
No. A white dwarf is a remnant of a dead star.
No in the life cycle of a star, a white dwarf can cool and become a black dwarf
Basically, all stars that aren't "giants", "supergiants", or "hypergiants" are considered dwarf stars. This means that all stars on the main sequence are dwarfs.
No. A white dwarf is the remnant of a star in which fusion as stopped.
Yes there are a few more [See related link for more information].--- Main sequence stars -----Red dwarf Yellow dwarfBlue dwarf (hypothetical)--- Degenerate stars --------White dwarf Black dwarf (hypothetical)--- Sub stellar stars -------Brown dwarf.
Many stars are white dwarfs.
A white dwarf
A stars evolution. Our Sun will go yellow dwarf -> red giant -> white dwarf -> black dwarf.
Yes, some of the 20 nearest stars are white dwarfs. For example, Sirius B, the companion star to Sirius A, is a white dwarf. Among the 20 brightest stars, Sirius B is the only white dwarf.