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Credit & Copyright: Bernard Miller
Explanation:
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Peculiar
spiral galaxy Arp 78 is found within the boundaries of the head strong
constellation Aries,
some 100 million light-years
beyond the
stars and nebulae of our Milky Way galaxy.
Also
known as NGC 772, the island universe is over
100,000 light-years across and sports a single
prominent outer spiral arm in
this detailed cosmic portrait.
Its brightest
companion galaxy, compact NGC 770, is toward the upper right
of the larger spiral.
NGC 770's fuzzy, elliptical appearance contrasts nicely
with a spiky foreground Milky Way star in matching yellowish hues.
Tracking along sweeping dust lanes and
lined with young blue star
clusters, Arp 78's large spiral arm is likely due to
gravitational tidal interactions.
Faint streams of material seem to connect Arp 78 with its nearby
companion galaxies.
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A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: interacting galaxies
Publications with words: interacting galaxies
See also: