Blue straggler — Blue stragglers (BSS) are stars in open or globular clusters that are hotter and bluer than other cluster stars having the same luminosity. Thus, they are separate from other stars on the cluster s Hertzsprung Russell diagram. Blue straggler… … Wikipedia
blue straggler — noun a unusually hot and blue star in globular clusters … Wiktionary
Star cluster — Star clusters are groups of stars which are gravitationally bound. Two distinct types of star cluster can be distinguished: globular clusters are tight groups of hundreds of thousands of very old stars, while open clusters generally contain less… … Wikipedia
star cluster — Astron. a number of stars of common origin held together as a group by gravitational attraction. Cf. globular cluster, open cluster, stellar association. * * * ▪ astronomy Introduction either of two general types of stellar assemblages held… … Universalium
Blue giant — For other uses, see Blue giant (disambiguation). Hertzsprung–Russell Diagram Spectral Type … Wikipedia
Star — For other uses, see Star (disambiguation) … Wikipedia
Star designation — Designations of stars (and other celestial bodies) are done by the International Astronomical Union (IAU). Many of the star names in use today were inherited from the time before the IAU existed. Other names, mainly for variable stars (including… … Wikipedia
Star system — This article is about stars in outer space. For the Hollywood star system, see Star system (film). For a system of planets around a star, see Planetary system. A star system or stellar system is a small number of stars which orbit each other,[1]… … Wikipedia
Binary star — For the hip hop group, see Binary Star (band). Hubble image of the … Wikipedia
Neutron star — redirects here. For the story by Larry Niven, see Neutron Star (short story). Neutron stars crush half a million times more mass than Earth into a sphere no larger than Manhattan. A neutron star is a type of stellar remnant that can result from… … Wikipedia
