Cepheus is a constellation in the northern sky. It is named after Cepheus, King of Aethiopia in Greek mythology, and is considered to represent a king. It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and remains one of the 88 modern constellations.
γ Cephei is a binary star approximately 50 light years away from Earth. The system consists of an orange subgiant and a red dwarf. Due to the precession of the equinox...
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Cepheus
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Draco
Draco is a constellation in the far northern sky. Its name is Latin for dragon. Draco is circumpolar (that is, never setting) for many observers in the northern hemisphere. It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and remains one of the 88 modern... -
Ursa Major
Ursa Major is a constellation visible throughout the year in most of the northern hemisphere. Its name means the Great Bear in Latin. It is dominated by the widely recognized asterism known as the Big Dipper or Plough, which is a useful pointer toward north, and which has mythological significance... -
Camelopardalis
Camelopardalis, from Greek καμηλοπάρδαλις (Greeks thought that it had the head of a camel and the spots of a leopard), is a large but faint constellation in the northern sky. Its name is Latin for giraffe. The constellation was first described by Jakob Bartsch in 1624, but was created earlier by... -
Cassiopeia
Cassiopeia is a constellation in the northern sky. In Greek mythology it was considered to represent the vain queen Cassiopeia, who boasted about her unrivaled beauty. It was one of the 48 constellations listed by the 2nd century Greek astronomer Ptolemy, and it remains one of the 88 modern... -
Pegasus
Pegasus is a constellation in the northern sky, named after the winged horse Pegasus in Greek mythology. It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and remains one of the 88 modern constellations. α Peg (Markab), β Peg, and γ Peg, together with α Andromedae ... -
Lacerta
Lacerta is one of the 88 modern constellations defined by the International Astronomical Union. Its name is Latin for lizard. A small, faint constellation, it was created in 1687 by the astronomer Johannes Hevelius. Its brightest stars form a "W" shape similar to that of Cassiopeia, and it is thus... -
Cygnus
Cygnus is a northern constellation. Its name is the Latinized Hellenic (greek) word for swan. One of the most recognizable constellations of the northern summer and autumn, it features a prominent asterism known as the Northern Cross (in contrast to the Southern Cross). Cygnus was among the 48... -
Ursa Minor
Ursa Minor, often called the Little Dipper, is a constellation in the northern sky. Its name is Latin for 'little bear', contrasting with Ursa Major, the Great Bear. Like the big dipper, the handle of the little dipper is the tail of the "little bear". It was one of the 48 constellations listed by... -
Lyra
Lyra (from Greek λύρα) is a constellation. Its name derived from the lyre, a stringed musical instrument well known for its use in classical antiquity and later. Lyra was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations... -
Perseus
Perseus is a constellation in the northern sky, named after the Greek hero Perseus. It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and remains one of the 88 modern constellations defined by the International Astronomical Union. It contains the famous variable star...