It is the Post-Main sequence star that burns helium. They are considered giants, unlike our sun, which is a Yellow Dwarf. they are extremely hot and large.
Beacuse they are dimmer, but they're also bigger than the main sequence stars.
According to <studyisland.com>, white dwarfs are the oldest.
Both white dwarfs and neutron stars are extremely dense remnants of the collapsed cores of dead stars.
White dwarfs are dim because they are small, and small stars radiate less light.
It shows certain key characteristics (brightness, and temperature) of stars.
Beacuse they are dimmer, but they're also bigger than the main sequence stars.
White Stars
They are white.
Three characteristics to classify stars are their luminosity, size, and color or surface temperature.
atoms
the light radiated from the stars
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blue and white stars are hotter than red stars (and newer).
No. Stars become white dwarfs after dying.
Blue and white stars are the hottest.
production of light
size