Universe

The Sombrero Galaxy, visible with amateur telescopes

Sombrero Galaxy or Messier Object 104 is an unbarred spiral galaxy in the constellation Virgo located 31 million light-years from Earth. The galaxy has a diameter of approximately 50,000 light-years, 30% the size of the Milky Way.   What is the Sombrero Galaxy? [ … ]

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 [ … ]

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 [ … ]