Galaxies - Event Horizon

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Most viewed - Galaxies

M74, Spiral Galaxy in Pisces647 viewsGrand design spiral galaxy with two clearly defined spiral arms winding counterclockwise from center. About 32 million light-years distant.

M33 - The Triangulum Galaxy643 viewsAbout 3 million light-years away, this is the third-largest member of the Local Group, which includes M31 and the Milky Way.

M108 and M97 in one frame638 viewsBarred spiral galaxy M108, nicknamed the Surfboard Galaxy, about 28 million light years away; and planetary nebula M97, the Owl Nebula, 2030 light-years away, both in Ursa Major.

Messier 106 and companions633 viewsThe large spiral galaxy at left is M106, lying at a distance of 22 to 25 million light-years from Earth in the constellation Canes Venatici. A myriad of other galaxies are in the frame, of which the two most prominent are NGC 4248 (closest to M106) and NGC 4217 (disk at right).

NGC 4631, The Whale Galaxy633 viewsA barred spiral galaxy in the constellation Canes Venatici. Contains a central starburst - a region of intense star formation. The "calf" - the nearby dwarf galaxy - is NGC 4527.

M74 - Spiral galaxy in Pisces633 viewsFace-on spiral galaxy about 32 million light-years from Earth in the constellation Pisces.

Messier 101 - The Pinwheel Galaxy632 viewsFace-on spiral galaxy in the constellation Ursa Major. A colossus among galaxies, 170,000 light-years across (Milky Way is 105,700), with a trillion stars. Distance - approx. 25 million light-years from Earth.

NGC 3521, "flocculent" spiral galaxy in Leo627 viewsNGC 3521 is termed a "flocculent" spiral galaxy because it has patches or clumps of stars breaking up the continuity of the spiral arms. Self-propagating star formation is thought to account for the patchiness. The galaxy lies about 26 million light-years away from us.

Messier 61 - Face-on Barred Spiral Galaxy in Virgo626 viewsOne of the largest members of the Virgo Cluster, M61 is a starburst galaxy, i.e. it has an unusually high rate of star formation, with an active galactic nucleus that features a massive nuclear star cluster and a supermassive black hole. It is about 53 million light-years away from Earth.

NGC 891- Silver Sliver Galaxy612 viewsAn edge-on spiral galaxy in Andromeda; about 30 million light-years distant; similar in size to the Milky Way.

Messier 100 and companions602 viewsSpiral Galaxy in the constellation Coma Berenices. Surrounded by tiny satellite galaxies NGC 4323 and NGC 4328 (about 3 o'clock and 5:30). Larger spiral galaxy at top is NGC 4312.

NGC 6946 - Fireworks Galaxy and Friends601 viewsAn alternate view of the Fireworks Galaxy featuring a neighbor, the open star cluster NGC 6939, near the lower edge of the image.

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Event Horizon - Astronomical and Terrestrial Images