Galaxies

'Stealth merger' of dwarf galaxies captured

8 Feb 2012

Washington, Feb 9 (ANI): New images of a neighbouring 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, researchers say.

Subaru Telescope Captures Images of 'Stealth Merger' of Dwarf Galaxies

8 Feb 2012

Scientists have conducted research that reveals a "stealth merger" of dwarf galaxies, where an in-falling satellite galaxy is nearly undetectable by conventional means yet has a substantial influence on its host galaxy.

New image captures 'stealth merger' of dwarf galaxies

8 Feb 2012

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, known as NGC 4449, is the smallest primary galaxy in which a stellar stream from an ongoing merger has been identified and studied in detail.