Universe

The Orion Molecular Cloud Complex

The Orion Molecular Cloud Complex (or, simply, the Orion Complex) is a large group of bright nebulae, dark clouds, and young stars in the Orion constellation. The cloud is between 1 500 and 1 600 light-years [ … ]

IC 4970, an unbarred galaxy in the constellation Pavo

  IC 4970 is an unbarred lenticular galaxy in the constellation Pavo. It is 212 million light-years from Earth and is interacting with the barred spiral galaxy NGC 6872. It was discovered on 21 September 1900 by American astronomer DeLisle Stewart.   What [ … ]

The Whirlpool Galaxy, one of the best known galaxies

The Whirlpool Galaxy, also known as Messier 51a or NGC 5194, is an interacting grand-design spiral galaxy in the constellation Canes Venatici. It was the first galaxy to be classified as a spiral galaxy. What is the Whirlpool Galaxy? [ … ]

NGC 2207 and IC 2163 about 80 million light-years away

NGC 2207 and IC 2163 are a pair of colliding spiral galaxies about 80 million light-years away in the constellation Canis Major.   What are NGC 2207 and IC 2163? NGC 2207 and IC 2163 were discovered by John Herschel in [ … ]

Eta Carinae, our Neighboring Superstars

Eta Carinae, formerly known as Eta Argus, a stellar system containing at least two stars with a combined luminosity greater than five million times that of the Sun. What is Eta Carinae? Eta Carinae is located around 7,500 light-years (2,300 parsecs) [ … ]

The Toby Jug Nebula in the constellation of Carina

IC 2220, also known as the Toby Jug Nebula, is a reflection nebula located 1200 light years away in the southern constellation of Carina.   What is the constellation of Carina? Carina is a constellation in the [ … ]