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.
No. A white dwarf is the remnant of a star in which fusion as stopped.
No, the sun is a main sequence star, not a white dwarf. White dwarfs are the remnants of smaller stars that have exhausted their nuclear fuel and collapsed. The sun will eventually evolve into a white dwarf in about 5 billion years.
A white dwarf.A white dwarf.A white dwarf.A white dwarf.
Black dwarfs. [See related question]
A white dwarf star can be very hot due to residual heat from its earlier evolution, but it may not be very bright because of its small size. This is because the heat energy is spread over a smaller surface area compared to larger, brighter stars.
Because dwarf stars aren't very bright. They are too SMALL to be especially bright, for one thing.
No. White dwarfs are fairly dim. The brightest known stars are generally Wolf-Rayet stars.
Blue-white stars are the hottest and brightest stars; Sirius A (and its white dwarf companion Sirius B) is the brightest star in Earth's night sky.
No; actually, white dwarves are rather dim.
blue and white
Red giant is the largest and the brightest.
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
Blue
Not exactly. A white dwarf would be hard to see from Earth, and Sirius is the brightest star from our point of view. Sirius has two components; one of them, Sirius B, is a white dwarf.
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.