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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.

Located about 130 million light-years away, NGC 4650A is one of only 100 known polar-ring galaxies.

Central area of the Milky Way galaxy, released by astronomers at the European Southern Observatory's Paranal Observatory in Chile. The photo shows 84 million stars in an image measuring 108,500×81,500, which contains nearly 9 billion pixels, and is actually a composite of thousands of individual photographs shot with the observatory's VISTA survey telescope.

NGC 474 is an elliptical galaxy in the constellation Pisces. This large galaxy is known to possess tidal tails, although their origins remain unknown. These tidal tails may be related to debris left over from absorbing numerous small galaxies in the past billion years. Or the shells may be like ripples in a pond, where the ongoing collision with the spiral galaxy just above NGC 474 is causing density waves to ripple though it.

Wolf-Rayet Nebula is a nebula which surrounds a Wolf-Rayet star. There are different types of WR-nebula, based on their formation mechanism: 1.HII regions 2.ejecta-type nebulae 3.wind-blown bubbles 4.neutral hydrogen voids and shells (may be associated gas). The nebula shown is a 'wind-blown bubbles' type.

Taken by Prosper Henry, 1885. This photograph of the Ring Nebula in the constellation Lyra shows but a three-degree section of the firmament, 1,956 light-years from earth. Once a star similar to our own sun, the nebula was formed when the star exploded, releasing gasses from its outer shell into space.

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Floral Nebula Art Print by Starstuff

galaxy what...

Spiral Galaxy M82, Scientists have traced unusually regular radio signals being emitted from unknown object in this Galaxy.

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42 Mind-Blowing Photos Of Space From The Hubble Telescope

The "Black Eye" galaxy. Why?