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Keyword: arp159

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  • Astronomy Picture of the Day -- Arp 159 and NGC 4725

    09/03/2015 2:38:10 PM PDT · by SunkenCiv · 9 replies
    NASA ^ | September 03, 2015 | (see photo credit)
    Explanation: Pointy stars and peculiar galaxies span this cosmic snapshot, a telescopic view toward the well-groomed constellation Coma Berenices. Bright enough to show off diffraction spikes, the stars are in the foreground of the scene, well within our own Milky Way. But the two prominent galaxies lie far beyond our own, some 41 million light-years distant. Also known as NGC 4747, the smaller distorted galaxy at left is the 159th entry in the Arp Atlas of Peculiar Galaxies, with extensive tidal tails indicative of strong gravitational interactions in its past. At about a 100,000 light-years across, its likely companion on...