galaxies, including M51 (Arp 85), Arp 220, and the Antennae Galaxies (NGC 4038/NGC 4039, or Arp 244). A few of the galaxies are simply dwarf galaxies that...

ISSN 0004-6361. "Dark galaxy crashing into the Milky Way". New Scientist. No. 2735. 22 November 2009. Retrieved 2009-12-12. Clark, Stuart (2005-02-23). "Astronomers...

NGC 2803, also known as PCG 26181, is an elliptical or lenticular galaxy in the zodiac constellation Cancer. It was discovered March 21, 1784, by William...

a LVC (Low Velocity Cloud) subclump, centered on the large spiral galaxy NGC 4216. Notably, the giant elliptical galaxy M87 contains a supermassive black...

NGC 2903 is an isolated barred spiral galaxy in the equatorial constellation of Leo, positioned about 1.5° due south of Lambda Leonis. It was discovered...

NGC 2800, also known as PGC 26302, is an elliptical galaxy in the constellation Ursa Major. It was discovered February 17, 1831 by William Herschel. Skrutskie...

Formulation of the Observing Campaign". The Astronomical Journal. 120 (6): 2735–46. Bibcode:2000AJ....120.2735W. doi:10.1086/316854.{{cite journal}}: CS1...

NGC 2950 is a lenticular galaxy in the northern constellation of Ursa Major, about 50 million light years from the Milky Way and receding with a heliocentric...

NGC 2509 is an open cluster in the constellation of Puppis. It was discovered on 3 December 1783 by William Herschel. It was described as "bright, pretty...

Phoebe (with NGC 4179 in the lower right corner) as imaged with a 24" telescope...

observatories; first polarization measurement GW170817 12:41:04 2017-10-16 16; NGC 4993 33.0+0.0 −2.1 40±10 ≥ 0.04 1.186+0.001 −0.001 0.00+0.02 −0.01 NS 1.46+0...