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...
10 KB (846 words) - 07:35, 23 August 2024
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...
3 KB (190 words) - 20:24, 12 August 2023
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...
9 KB (501 words) - 13:39, 6 September 2024
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...
3 KB (286 words) - 21:06, 28 June 2023
discovered in other galaxies; the Hubble Space Telescope has identified some in NGC 4603, which is 100 million light years distant. Classical Cepheid variables...
40 KB (3,954 words) - 18:44, 9 September 2024
hole. Candidate recoiling black holes include NGC 3718, SDSS1133, 3C 186, E1821+643 and SDSSJ0927+2943. Candidate runaway black holes are HE0450–2958...
104 KB (11,045 words) - 15:01, 18 October 2024
light echoes". Astronomy and Astrophysics. 495 (2): 371–377. arXiv:0811.2943. Bibcode:2009A&A...495..371B. doi:10.1051/0004-6361:200810280. We conclude...
54 KB (7,874 words) - 13:31, 20 October 2024
region". Monthly Notices of the Royal Astronomical Society. 426 (4): 2917–2943. arXiv:1208.1471. Bibcode:2012MNRAS.426.2917G. doi:10.1111/j.1365-2966.2012...
148 KB (16,434 words) - 22:03, 18 November 2024
More Complex than FLRW?". Physical Review D. 78 (12): 123531. arXiv:0708.2943. Bibcode:2008PhRvD..78l3531I. doi:10.1103/PhysRevD.78.123531. S2CID 118801032...
39 KB (4,805 words) - 08:34, 6 November 2024
region". Monthly Notices of the Royal Astronomical Society. 426 (4): 2917–2943. arXiv:1208.1471. Bibcode:2012MNRAS.426.2917G. doi:10.1111/j.1365-2966.2012...
30 KB (3,351 words) - 15:41, 15 October 2024