ASTRONOMICAL DATA FEEDS
PICTURE OF THE DAY
LIVE ARCHIVESTELLAR REGISTRY
DATABASENASA GALLERYARCHIVES
The brightest star in the night sky. It is a binary star system, consisting of Sirius A and a faint white dwarf companion, Sirius B.
The second-brightest star in the night sky. A supergiant star that is essentially white when seen with the naked eye.
A red giant star in the Northern Hemisphere. It is likely a star captured from a satellite galaxy effectively merging with the Milky Way.
A blue supergiant star that is the brightest star in the constellation Orion. It is roughly 120,000 times as luminous as the Sun.
A distinct red supergiant in Orion. It is expected to explode as a supernova within the next 100,000 years.
One of the most studied stars in the sky. It was the northern pole star around 12,000 BC and will be so again around the year 13,727.
A red supergiant often confused with Mars due to its color. Its name means "Rival of Mars" (Anti-Ares).
The closest known star to the Sun. A small red dwarf that flares unpredictably.