Star
Main Sequence Star
A stable star fusing hydrogen into helium in its core.
The longest, most stable phase of a star's life. The Sun is a G-type main sequence star. About 90% of all observed stars are on the main sequence.
Overview
The longest, most stable phase of a star's life. The Sun is a G-type main sequence star. About 90% of all observed stars are on the main sequence.
See also
Hypergiant
The most luminous and unstable stars in the cosmos.
Wolf–Rayet Star
A massive star stripped down to its core.
Brown Dwarf
A failed star, too small for hydrogen fusion.
Substellar Object
Any object below the hydrogen-fusion limit.
Sirius
The brightest star in the night sky.
Polaris
The North Star — the sky's pivot.