Saturday, July 19, 2008

Friday Galactic Blogging

Twisted, distorted spiral NGC 3718 and its companion NGC 3729 seem to be locked in each other's gravitational embrace. Both are fairly large, somewhat peculiar spiral galaxies located relatively nearby at about 52 million light years. They're about 150,000 light years from each other, or approximately fifty percent more distant than the estimated diameter of the Milky Way. In the night sky they can be found in Ursa Major near what may a familiar sight to some visitors to this blog, the Hickson Group of galaxies, another beautiful and somewhat anomalous tableau. As usual this is an APOD image. Click once for the APOD page, click the image there for a more detailed look.

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