Low-Mass Stars
Part of Hall of the Universe.
![Low-mass stars_HERO](/var/ezflow_site/storage/images/media/amnh/images/exhibitions/permanent-exhibitions/rose-center-for-earth-and-space/hall-of-the-universe2/calder/hou-hero-images/low-mass-stars_hero/1045669-1-eng-US/low-mass-stars_hero_wideexact_2460.jpg 2460w,/var/ezflow_site/storage/images/media/amnh/images/exhibitions/permanent-exhibitions/rose-center-for-earth-and-space/hall-of-the-universe2/calder/hou-hero-images/low-mass-stars_hero/1045669-1-eng-US/low-mass-stars_hero_wideexact_1230.jpg 1230w,/var/ezflow_site/storage/images/media/amnh/images/exhibitions/permanent-exhibitions/rose-center-for-earth-and-space/hall-of-the-universe2/calder/hou-hero-images/low-mass-stars_hero/1045669-1-eng-US/low-mass-stars_hero_wideexact_800.jpg 800w,/var/ezflow_site/storage/images/media/amnh/images/exhibitions/permanent-exhibitions/rose-center-for-earth-and-space/hall-of-the-universe2/calder/hou-hero-images/low-mass-stars_hero/1045669-1-eng-US/low-mass-stars_hero_wideexact_400.jpg 400w)
8 to 80 Percent of the Sun’s Mass
Low-mass stars are the longest lived of the energy-producing objects in the universe. Though they far outnumber all other stars, they are the faintest ones, and thus are hard to detect. Some low-mass stars will live for trillions of years.