This is a list of NGC objects 1001–2000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae...

"Physical conditions in the planetary nebula NGC 6543", Monthly Notices of the Royal Astronomical Society, 351 (3): 1026–1042, Bibcode:2004MNRAS.351.1026W, doi:10...

Arp 271 is a pair of similarly sized interacting spiral galaxies, NGC 5426 and NGC 5427, in the constellation of Virgo. It is not certain whether the galaxies...

black holes up to 21 billion (2.1 × 1010) M☉ have been detected, such as NGC 4889.) Unlike stellar mass black holes, supermassive black holes have comparatively...

NGC 5988 is a large spiral galaxy in the constellation of Serpens. Its velocity with respect to the cosmic microwave background is 10697 ± 10 km/s, which...

II. The low-concentration clusters NGC 288, NGC 5466, and M 55 (NGC 6809)". The Astrophysical Journal. 102: 1026–1042. Bibcode:1991AJ....102.1026P. doi:10...

factor of at least 1078 (an expansion of distance by a factor of at least 1026 in each of the three dimensions). This would be equivalent to expanding an...

NGC 7418 is an intermediate spiral galaxy located in the constellation Grus. It is located at a distance of circa 60 million light-years from Earth, which...

13.787 ± 0.020 billion years Diameter Unknown. Observable universe: 8.8×1026 m (28.5 Gpc or 93 Gly) Mass (ordinary matter) At least 1053 kg Average density...

seconds: Space is subjected to inflation, expanding by a factor of the order of 1026 over a time of the order of 10−33 to 10−32 seconds. The universe is supercooled...