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Hyper giants live very short lives. Blue hyper giants end up as Wolf-Rayet stars most of the time.

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Are red giant stars the largest?

No, red giant stars are not the largest stars in the universe. There are stars known as supergiant and hypergiant stars that are even larger than red giants. These stars can be hundreds to thousands of times larger than our Sun.


Are red giants or blue giants bigger?

Generally red giants are bigger, but really it has more to do with how hot they burn. Blue giants burn hotter and have more mass.


Which are hotter white dwarfs or red giants?

red giants


How long do dwarf stars live?

How long stars live depends primarily on their mass. Low mass stars live longer.A yellow dwarf star like the Sun has an expected lifetime of about 10 billion years on the main sequence, followed by a "red giant" phase that is considerably shorter, followed by a "white dwarf" (Type VII) phase lasting a very, very, very long time before the star eventually cools to the point it no longer emits light in the visible range, becoming a "black dwarf".Low-mass red dwarfs (below, say, 0.25 stellar masses) could conceivably live trillions of years. We don't really know exactly what will happen to them or how long they will live, because the universe itself is only about 14 billion years old, not nearly long enough for any red dwarfs to have died.


Is there any star bigger than a hyper giant?

Hypergiant [See Link] is only a classification for stars with tremendous mass and luminosity, showing signs of a very high rate of mass loss. It is a "loose" term for the most massive stars found, even though there are more precise definitions. The largest known star in this class is VY Canis Majoris [See Link] which is about 2,000 times larger than our own Sun. [See Link]