Arp 78 (Interacting Galaxy), NGC 772

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Arp 78, NGC 772
Interacting Galaxy (相互作用銀河)

Gx Sb

別名 (Other names)
PGC 7525, UGC 1466, MCG 3-6-11

明るさ (Brightness)

距離 (Distance)
1億光年 (100 million light-years)

星座 (Constellation)
おひつじ座 (Ari) (Aries)

Arp 78 (NGC 772) is an interacting galaxy located 100 million light years from the Earth in the constellation Aries.

Arp 78 (Interacting Galaxy), NGC 772 : Picture

Arp 78: Peculiar Galaxy in Aries
Arp 78: Peculiar Galaxy in Aries
(C) Stephen Leshin
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 thousand 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.

Arp 78: NGC 772
Arp 78 (NGC 772)
(C) Stephen Leshin

Arp 78 (Interacting Galaxy), NGC 772 : Movie

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