associations+of+stars

См. также в других словарях:

• Stars and planetary systems in fiction — The planetary systems of stars other than the Sun and the Solar System are a staple element in much science fiction. Contents 1 Overview 1.1 The brightest stars …   Wikipedia

• A Catalogue of Nebulae and Clusters of Stars in the Southern Hemisphere observed in New South Wales — Ein astronomischer Katalog ist eine Liste von astronomischen Objekten, die aufgrund gemeinsamer Eigenschaften, wie Morphologie oder Entdeckungsmethode gruppiert werden. Astronomische Kataloge sind üblicherweise das Ergebnis einer astronomischen… …   Deutsch Wikipedia

• List of most luminous stars — Below is a list of stars arranged in order of decreasing luminosity (increasing bolometric magnitude). Accurate measurement of stellar luminosities is quite difficult in practice, even when the apparent magnitude is measured accurately, for three …   Wikipedia

• Stellar kinematics — is the study of the movement of stars without needing to understand how they acquired their motion. This differs from stellar dynamics, which takes into account gravitational effects. The motion of a star relative to the Sun can provide useful… …   Wikipedia

• Stellar association — A stellar association is a very loose star cluster, looser than both open clusters and globular clusters. Stellar associations will normally contain from 10 to 100 or more stars. The stars share a common origin, but have become gravitationally… …   Wikipedia

• Orion Nebula — The entire Orion Nebula in visible light. Credit: NASA/ESA Observation data: J2000 epoch …   Wikipedia

• Galactic astronomy — is the study of our own Milky Way galaxy and all its contents. This is in contrast to extragalactic astronomy, which is the study of everything outside our galaxy, including all other galaxies.Galactic astronomy is that branch of astronomy which… …   Wikipedia

• Starburst galaxy — A starburst galaxy is a galaxy in the process of an exceptionally high rate of star formation, compared to the usual star formation rate seen in most galaxies. Galaxies are often observed to have a burst of star formation after a collision or… …   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

• Milky Way Galaxy — Large spiral galaxy (roughly 150,000 light years in diameter) that contains Earth s solar system. It includes the multitude of stars whose light is seen as the Milky Way, the irregular luminous band that encircles the sky defining the plane of… …   Universalium

• stellar association — Astron. a sparsely populated group of between 10 and 1000 young stars of similar spectral type and common origin that are moving too fast to form a permanent, gravitationally bound system. Also called association of stars, association. Cf.… …   Universalium