Galaxy Details and Mergers - NASA Science

A galaxy far, far away… 67 million light-years, to be exact. NGC 2775 sports a smooth, featureless center that is devoid of gas, resembling an elliptical galaxy. But it also has a dusty ring with patchy star clusters, like a spiral galaxy. So which is it: spiral or elliptical — or neither? Because we can only view NGC 2775 from one angle, it’s difficult to say for sure, though most astronomers classify it as a flocculent spiral galaxy. Flocculent spirals have poorly defined, discontinuous arms t

Mysterious dark matter may be better understood through a new map of far-off galaxies

Types of Galaxies | Pictures, Facts, and Information