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A comprehensive list of stars with approved or traditional names, as well as their constellations, designations, and pronunciations. The list is updated regularly by the International Astronomical Union and includes stars from the sky and exoplanets.
The Milky Way is the galaxy that includes the Solar System, with a hazy band of light seen in the night sky. It is a barred spiral galaxy with a supermassive black hole at its center, and contains 100–400 billion stars and planets.
Laniakea Supercluster is the galaxy supercluster that contains the Milky Way and about 100,000 other nearby galaxies. It was defined in 2014 by a new method based on galaxy velocities and has four subparts: Virgo, Hydra–Centaurus, Great Attractor, and Antlia Wall.
Learn how astronomers assign systematic designations to celestial bodies such as stars, planets, and minor planets, including any surface features on them. Find out about the history, rules, and examples of star names, proper names, and catalogues.
Cygnus is a northern constellation on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan. It features the Northern Cross asterism, the bright star Deneb, and the first black hole discovered, Cygnus X-1.
Delphinus is a small constellation in the Northern Celestial Hemisphere, named after the dolphin in Greek mythology. It contains two stars brighter than magnitude 4, and is visible at latitudes between +90° and −69°.
The carbon star CW Leo is the brightest star in the night sky at the infrared N-band (10 μm wavelength). The star SDSS J102915+172927 (Caffau's star) is a population II star in the galactic halo seen in Leo. It is about 13 billion years old, making it one of the oldest stars in the Galaxy. It has the lowest metallicity of any known star.
Ophiuchus (/ ˌ ɒ f i ˈ juː k ə s /) [1] is a large constellation straddling the celestial equator.Its name comes from the Ancient Greek ὀφιοῦχος (ophioûkhos), meaning "serpent-bearer", and it is commonly represented as a man grasping a snake.