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 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
group include NGC 917, NGC 931, NGC 940, NGC 969, NGC 974, NGC 978, NGC 987, NGC 983, NGC 1060, NGC 1066, NGC 1067, and UGC 2105. NGC 973 forms a pair...
10 KB (909 words) - 13:17, 18 July 2024
NGC 2336 is a barred spiral galaxy located in the constellation Camelopardalis. It is located at a distance of circa 100 million light years from Earth...
10 KB (1,086 words) - 12:09, 18 July 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 3686 is a spiral galaxy that forms with three other spiral galaxies, NGCs 3681, 3684, and 3691, a quartet of galaxies in the Leo constellation. It...
5 KB (360 words) - 12:32, 8 September 2023
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 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 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
NGC 3607 is a small but fairly bright lenticular galaxy in the equatorial constellation of Leo, about 2.5° south of the prominent star Delta Leonis. The...
10 KB (703 words) - 12:19, 18 July 2024
Supernova remnant in X-ray light SN 2006gy (upper right) and parent galaxy NGC 1260 CXO orbit as of January 7, 2014 M31 Core in X-ray light PSR B1509-58...
38 KB (3,671 words) - 06:51, 5 October 2024
detailing observations of wind temperature variations around AGN IRAS 13224−3809. By detecting periodic absences of absorption lines in the X-ray spectrum...
31 KB (2,971 words) - 17:51, 9 October 2024
b 2.276 61.117 0.211 0.0324 83.929 1998 Gliese 581d 0.026 66.800 0.218 0.3809 58.257 2007 HD 20794 d 0.015 90.309 0.388 0.0143 2011 2011 Gliese 876 e 0...
36 KB (286 words) - 20:08, 22 December 2023
astronomy Crab (unit) Gamma-ray astronomy History of X-ray astronomy IRAS 13224-3809 List of X-ray space telescopes Solar X-ray astronomy Stellar X-ray astronomy...
65 KB (8,115 words) - 13:32, 13 April 2024