Spiral Galaxies grow by eating Dwarf Galaxies

Spiral Galaxies grow by eating dwarf galaxies

Spiral galaxies are consuming smaller dwarf galaxies. Spiral galaxies grow by swallowing smaller dwarf galaxies. Stars closer to the parent galaxy are pulled in more quickly. According to David Martinez-Delgado's pilot survey spiral galaxies at distances of up to 50 million light-years from Earth, discovering the tell-tale signs of spirals eating dwarfs.

The findings are published in the Astronomical Journal. Spiral galaxy is a certain kind of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae and, as such, forms part of the Hubble sequence.

The Milky Way was once considered an ordinary spiral galaxy. Astronomers first began to suspect that the Milky Way is a barred spiral galaxy in the 1990s.