Andromeda II is, in size, the second-largest dwarf spheroidal galaxy known in the Local Group, with a half-light radius 11 of about 1.2 kpc (second only to Andromeda XIX 12).With a luminosity 9 at ...

New images of a nearby dwarf galaxy have revealed a dense stream of stars in its outer regions, the remains of an even smaller companion galaxy in the process of merging with its host. The host galaxy ...

New image captures 'stealth merger' of dwarf galaxies Date: February 8, 2012 Source: University of California - Santa Cruz Summary: New images of a nearby dwarf galaxy have revealed a dense stream ...

These final observations at Subaru in 2011 clearly showed the stealth merger of two dwarf galaxies. Modern cosmological theory posits that large galaxies were built up from smaller ones through an ...

An international team of scientists led by David Martinez-Delgado (Max Planck Institute for Astronomy, Germany) has conducted research that reveals a “stealth merger” of dwarf galaxies, where ...

The spiral galaxy NGC 1532, also known as Haley's Coronet, is caught in a lopsided tug of war with its smaller neighbor, the dwarf galaxy NGC 1531.

To celebrate its 25th anniversary, the Gemini North telescope team has released a stunning image of starburst galaxy NGC 4449, which is ablaze with intense star birth as it devours smaller galaxies.

Dozens of dwarf galaxies swarming around the Andromeda Galaxy like bees have been caught on camera by the Hubble Space Telescope, which took more than a thousand orbits of the Earth to take enough ...

This other recent Hubble image also shows a dwarf galaxy, one called NGC 5238. This one is located 14.5 million light-years away, but has a different and more complex type of structure.