Stars And Stellar Objects 1-16
16 entries in the Stars And Stellar Objects compendium.
3C 273First identified quasar and brightest in the sky.Active galactic nucleusCompact region at a galaxy's center powered by a supermassive black hole.Andromeda GalaxyNearest major galaxy to the Milky Way.Barred spiral galaxyBarred spiral galaxies have a central bar of stars.Binary starTwo stars gravitationally bound, orbiting a common center of mass.BlazarBlazars are active galactic nuclei with jets aimed at Earth.Brown dwarfSubstellar objects that fuse deuterium but not hydrogen.Cepheid variablePulsating stars used as cosmic distance markers.Centaurus AOne of the closest active galaxies to Earth, with a supermassive black hole and prominent ConstellationConstellations are recognized patterns of stars on the celestial sphere.Cosmic distance ladderA sequence of methods for measuring distances to celestial objects.AsteroidRocky, metallic, or icy bodies orbiting the Sun, mostly in the main belt.CometIcy bodies that develop comas and tails near the Sun.Ceres (dwarf planet)First asteroid discovered, now a dwarf planet with cryovolcanoes.Callisto (moon)Second-largest moon of Jupiter, with a heavily cratered surface.Barycenter (astronomy)Dynamical point representing the center of mass of orbiting bodies.
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