Star
Red Giant
A bloated, cool, ageing star.
Low- to intermediate-mass stars expand enormously after core hydrogen runs out, reaching radii of tens to hundreds of solar radii with surface temperatures around 3,000–5,000 K.
Overview
Low- to intermediate-mass stars expand enormously after core hydrogen runs out, reaching radii of tens to hundreds of solar radii with surface temperatures around 3,000–5,000 K.
See also
Vega
The summer beacon, future pole star.
Altair
The flying eagle — fastest-spinning bright star.
Blue Giant
A massive, very hot luminous star.
Blue Supergiant
A hot, massive, ferociously luminous star.
Red Dwarf
The most common — and longest-lived — kind of star.
Symbiotic Star
A close binary of a red giant and a hot compact star.