A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity. The word is derived from the Greek ...

Galaxy filament · Galaxy morphological · Galaxy formation and evolution

The following is a list of notable galaxies. Size (left) and distance (right) of a few well-known galaxies put to scale. There are about 51 galaxies in the ...

Cartwheel Galaxy · Black Eye Galaxy · Circinus Galaxy · Sculptor Galaxy

This is a list of largest galaxies known, sorted by order of increasing major axis diameters. The unit of measurement used is the light-year A Hubble Space ...

Tadpole Galaxy · Alcyoneus (galaxy) · ESO 383-76 · ESO 306-17

The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the Milky Way. It was originally named the Andromeda Nebula and is ...

Lenticular galaxy · Elliptical galaxy · Barred spiral galaxy · Disc galaxy

A galaxy is a group of many stars, with gas, dust, and dark matter. The name 'galaxy' is taken from the Greek word galaxia meaning milky, a reference to our ...

The study of galaxy formation and evolution is concerned with the processes that formed a heterogeneous universe from a homogeneous beginning, the formation ...

The Milky Way is the galaxy that includes the Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the ...

List of names for the Milky Way · Milky Way (disambiguation) · In mythology · Galaxy

The following is a timeline of galaxies, clusters of galaxies, and large-scale structure of the universe. Contents. 1 Pre-20th century; 2 Early 20th century ...

Physics is the natural science of matter, involving the study of matter, its fundamental constituents, its motion and behavior through space and time, ...