They have a distinctive shape with spiral arms in a relatively flat disk and a central bulge.

What are names of galaxies. There are about 51 galaxies in the Local Group. It is a spiral galaxy in the northern constellation of Canes Venatici. Like the Milky Way Andromeda is a spiral.

Astronomers classify galaxies into three major categories. Through telescope observation each galaxy has a specific size shape and structure. When you look up at stars in the night sky youre seeing other stars in the Milky Way.

The Sombrero Galaxy M104 which is classified as an SaSb galaxy in an optical image taken by the Hubble Space Telescope. Whats in a name. Of all the known galaxies in the universe 77 of them are classified as spiral galaxies.

The Hubble galaxy classification categorizes galaxies based on their visual appearance. These types of galaxies are classified by their 3 main components a disk bulge and. If its really dark far away from lights from.

NGC 1302 is an example of the normal type of Sa galaxy while NGC 4866 is representative of one with a small nucleus and arms consisting of thin dust lanes on a smooth disk. These galaxies span a wide range of sizes from dwarf galaxies containing as few as 100 million stars to giant galaxies with more than a trillion stars. The 3 types of galaxies are.

Galaxy clusters are gravitationally bound groupings of galaxies numbering from the hundreds to the tens of thousands. 00 457 38 00. Elliptical spiral and irregular.