Team of astronomers discover largest known spiral galaxy - that's five times the size of the Milky Way - by accident

A spiral galaxy system that spans more than 522,000 light-years has been identified by a team of astronomers.
The spectacular spiral galaxy, NGC 6872, is the biggest yet seen.
Astronomers earmarked the galaxy using archival data taken from Nasa's Galaxy Evolution Explorer (Galex) satellite.
NGC 6872 ranked among the biggest stellar systems for decades, but the new analysis has now crowned it the largest known spiral.
The discovery indicates that the galaxy is five time the size of the Milky Way galaxy.
The team of astronomers say that a comparatively recent collision with another galaxy could be causing one of the outer arms of the spiral to spawn fresh stars that may eventually create a new read more

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Source: http://www.newsrt.co.uk/news/team-of-astronomers-discover-largest-known-spiral-galaxy-that-s-five-times-the-size-of-the-milky-way-by-accident-1125562.html

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