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More like this: galaxies, dust and spirals.
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Lauri Stavale
Lauri Stavale • 48 weeks ago

This image of PGC 10922, an example of a lenticular galaxy — a galaxy type that lies on the border between ellipticals & spirals. Seen face-on, this image shows the disc & tightly-wound spiral structures of dark dust encircling the bright centre of the galaxy. There is also a remarkable outer halo of faint wide arcs or shells extending outwards. These are likely to have been formed by a gravitational encounter or even a merger with another galaxy.