Search results
From CityDeepSky
- [[Category:Astronomical concept]]1 KB (193 words) - 18:37, 9 June 2010
- [[Category:Constellation]] [[Category:Astronomical object]]5 KB (701 words) - 03:19, 17 June 2010
- ...eaver, Paul, ''Robert Julius Trumpler, 1886-1956'', <u>Publications of the Astronomical Society of the Pacific</u>, Vol. 69, No. 409, p.304</ref> developed a syste [[Category:Astronomical object]]4 KB (678 words) - 02:08, 22 July 2010
- ...most planetary nebulae observed seem to be less than 50 000 years old). In astronomical terms, 100 000 years isn't a lot of time so at any given point, there's sim [[Category:Astronomical object]]7 KB (1,106 words) - 03:24, 30 May 2015
- [[Category:Astronomical object]]3 KB (529 words) - 01:34, 19 November 2009
- [[Category:Astronomical object]]154 B (24 words) - 20:42, 9 February 2009
- [[Category:Astronomical object]]4 KB (594 words) - 23:54, 16 June 2010
- [[Category:Astronomical object]]4 KB (682 words) - 01:35, 19 November 2009
- [[Category:Astronomical object]] [[Category:Observing Concepts]]3 KB (284 words) - 21:11, 16 June 2010
- [[Category:Astronomical concept]]6 KB (1,011 words) - 19:14, 15 June 2009
- [[Category:Astronomical object]]4 KB (632 words) - 17:15, 20 September 2009
- ==Astronomical objects== ==Astronomical Reference==349 B (43 words) - 19:14, 9 February 2009
- [[Category:Astronomical concept]][[Category:Observing Concepts]]151 B (21 words) - 20:57, 9 February 2009
- ...hout any real order. To distinguish the Messier number from other numbered astronomical objects, the letter "M" is usually placed in front of the object's number. [[Category:Astronomical concept]][[Category:Observing Concepts]]3 KB (452 words) - 05:01, 2 August 2015
- ... night sky visible from Ancient Greece. Ptolemy's constellations dominated astronomical thought for the next 1500 years. Even the Arabian astronomer Al-Sufi used P ...o fix the boundaries between constellations. To this end the International Astronomical Union (IAU) commissioned Eugene Delporte to create these boundaries. Delpor3 KB (430 words) - 04:05, 5 July 2010
- ...mmon usage both in and out of astronomy they can be inconvienent units for astronomical distances. To overcome this astronomers have come up with three other units ==Astronomical Unit==3 KB (491 words) - 21:08, 7 June 2011
- [[Category:Astronomical concept]]3 KB (463 words) - 22:47, 31 January 2016
- [[Category:Astronomical concept]]5 KB (789 words) - 02:26, 11 June 2009
- [[Category:Astronomical concept]]8 KB (1,212 words) - 12:35, 26 May 2015
- [[Category:Astronomical object]]225 B (40 words) - 18:46, 9 June 2010
