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nasa

The Iris Nebula (NGC 7023), a bright reflection nebula in the constellation Cepheus about 1,300 light years from Earth. The nebula is lit up by the 7th magnitude star SAO 19158, which is the bright object at the center. The bright blues are due to small-particle scattering of light in the nebular material. LRGB color composite made with the WIYN 0.9m + S2KB CCD while dodging clouds on 4 October 2011.

The Iris Nebula (NGC 7023), a bright reflection nebula in the constellation Cepheus about 1,300 light years from Earth. The nebula is lit up by the 7th magnitude star SAO 19158, which is the bright object at the center. The bright blues are due to small-particle scattering of light in the nebular material. LRGB color composite made with the WIYN 0.9m + S2KB CCD while dodging clouds on 4 October 2011.

the night sky might know more

the night sky might know more

The Night Sky in 2014: 11 Must-See Celestial Events (Infographic) By Jennifer Lawinski, Social Media Contributor

The Night Sky in 2014: 11 Must-See Celestial Events (Infographic) By Jennifer Lawinski, Social Media Contributor

The Eyes NGC 4435 and NGC 4438

The Eyes NGC 4435 and NGC 4438

Boomerang Nebula — The Hubble Space Telescope has "caught" the Boomerang Nebula in these new images taken with the Advanced Camera for Surveys. This reflecting cloud of dust and gas has two nearly symmetric lobes (or cones) of matter that are being ejected from a central star... Image Credit: NASA, ESA and The Hubble Heritage Team (STScI/AURA)

Boomerang Nebula — The Hubble Space Telescope has "caught" the Boomerang Nebula in these new images taken with the Advanced Camera for Surveys. This reflecting cloud of dust and gas has two nearly symmetric lobes (or cones) of matter that are being ejected from a central star... Image Credit: NASA, ESA and The Hubble Heritage Team (STScI/AURA)

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M81 & M82  M81 is the face on spiral galaxy. It is interacting gravitationally with M82 below it.  This photo also captured a satellite traveling across the field on the left.

M81 & M82 M81 is the face on spiral galaxy. It is interacting gravitationally with M82 below it. This photo also captured a satellite traveling across the field on the left.

Abell 383

Abell 383

This deep image of M81 reveals details in the bright yellow core, but at the same time follows fainter features along the galaxy's gorgeous blue spiral arms and sweeping dust lanes. It also follows the expansive, arcing feature, known as Arp's loop, that seems to rise from the galaxy's disk at the right. Studied in the 1960s, Arp's loop has been thought to be a tidal tail, material pulled out of M81 by gravitational interaction with its large neighboring galaxy M82.

This deep image of M81 reveals details in the bright yellow core, but at the same time follows fainter features along the galaxy's gorgeous blue spiral arms and sweeping dust lanes. It also follows the expansive, arcing feature, known as Arp's loop, that seems to rise from the galaxy's disk at the right. Studied in the 1960s, Arp's loop has been thought to be a tidal tail, material pulled out of M81 by gravitational interaction with its large neighboring galaxy M82.

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