(3): 1870–1883, arXiv:1205.3715, Bibcode:2012MNRAS.426.1870M, doi:10.1111/j.1365-2966.2012.21831.x, S2CID 85507925. "NGC 2139", SIMBAD, Centre de données...
11 KB (638 words) - 00:39, 2 September 2024
calculate a mass estimate of 6.3715×1014 kg. One can calculate the Schwarzschild radius: 2 × 6.6738×10−11 m3⋅kg−1⋅s−2 × 6.3715×1014 kg / (299792458 m⋅s−1)2...
25 KB (2,456 words) - 12:45, 30 August 2024
NGC 3938 is an unbarred spiral galaxy in the Ursa Major constellation. It was discovered on 6 February 1788 by William Herschel. It is one of the brightest...
6 KB (499 words) - 16:25, 17 August 2024
NGC 3949 is an unbarred spiral galaxy in the constellation Ursa Major, approximately 50 million light-years away from the Earth. It was discovered by...
3 KB (211 words) - 14:22, 17 August 2024
NGC 3631 is a spiral galaxy located in the constellation Ursa Major. It is located at a distance of about 35 million light years from Earth, which, given...
10 KB (1,025 words) - 22:47, 18 August 2024
NGC 3877 is a type Sc spiral galaxy that was discovered by William Herschel on February 5, 1788. It is located below the magnitude 3.7 star Chi Ursae...
4 KB (262 words) - 22:26, 18 May 2023
NGC 6881 is a planetary nebula, located in the constellation of Cygnus. It is formed of an inner nebula, estimated to be about one fifth of a light-year...
2 KB (135 words) - 08:11, 23 August 2024
NGC 3593 is a lenticular galaxy located in the constellation Leo. It has a morphological classification of SA(s)0/a, which indicates it is a lenticular...
8 KB (593 words) - 13:40, 6 September 2024
NGC 3599 is a lenticular galaxy located in the constellation Leo. It was discovered by William Herschel on March 14, 1784. The galaxy is located at a...
8 KB (582 words) - 00:27, 25 August 2024
NGC 3818 is an elliptical galaxy in the Constellation Virgo. It is at a distance of about 118 million light-years away from Earth. In the center of NGC...
5 KB (309 words) - 03:43, 17 October 2023