Universe

What is a molecular cloud?

A molecular cloud, sometimes called a stellar nursery (if star formation is occurring within), is a type of interstellar cloud, the density and size of which permit the formation of molecules, most commonly molecular hydrogen (H2).   What [ … ]

Brown dwarfs are simply amazing

Brown dwarfs are substellar objects that occupy the mass range between the heaviest gas giant planets and the lightest stars.   What are brown dwarfs? Unlike the stars in the main-sequence, they are not massive enough to [ … ]

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) [ … ]