The Ring of Stones, also known as the Circle of Stones, is a stone arrangement which may have been constructed by some of the 68 marooned passengers and crew from the Dutch ship the Vergulde Draeck, wrecked about 100 kilometres north of Perth, Western Australia in 1656. The Ring of Stones was reported...
Apollo 16, the tenth manned mission in American Apollo space program, was the fifth mission to land on the Moon and the first to land in a highlands area. Launched on April 16, 1972, it was a J-class mission, featuring a Lunar Rover; and brought back 94.7 kg of lunar samples. Read more
Explorer 11 (also known as S15) was an Earth-orbital satellite that carried the first space-borne gamma-ray telescope. This was the earliest beginning of space gamma-ray astronomy. Launched on April 27, 1961 by a Juno II rocket the satellite returned data until November 17, when power supply pro...
Mercenary is the first in a series of computer games, published on a number of 8-bit and 16-bit platforms from the mid-1980s to the early 1990s, by Novagen Software. The second and third games were known as Damocles and Mercenary III: The Dion Crisis respectively. The games were notable for their smo...
The 58 - 130 metre wide asteroid 2000 HB24 wll made a close pass (13.1 lunar distances, 0.0336 AU), travelling at 9.92 km/second, to the Earth-Moon system on the 27th April 2014 @ 06:39 UT ±19:48. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 A...
NGC 3306 (also IRAS 10345+1254, MCG 2-27-32, UGC 5774 and PGC 31528) is a magnitude +13.4 barred spiral galaxy located 133 million light-years away in the constellation Leo. The galaxy was discovered by American astronomer Lewis A. Swift using a 40.64 cm (16 inch) refractor at the Warner Observato...
NGC 3569 (also MCG 6-25-20, UGC 6238 and PGC 34075) is a magnitude +13.3 face-on spiral galaxy located 343 million light-years away in the constellation Ursa Major. The galaxy was discovered by German-Danish astronomer Heinrich Louis d'Arrest using a 27.94 cm (11 inch) f/17.5 refractor at the Cop...
NGC 3792 is a magnitude +13.4 double star located in the constellation Virgo. The star was discovered by American astronomer Edward Singleton Holden using a 39.62 cm (15.6 inch) f/15.6 Clark-refractor at the Washburn Observatory on the 27th April 1881. Right Ascension 11h 39m 38.5s, Declination...
NGC 3843 (also MCG 1-30-11, UGC 6699 and PGC 36471) is a magnitude +13.5 spiral galaxy located 271 million light-years away in the constellation Virgo. The galaxy was discovered by American astronomer Edward Singleton Holden using a 39.6 cm (15.6 inch) f/15.6 Clark-refractor at the Washburn Obse...
NGC 3927 is a non-existent object in the constellation Leo. The object was discovered by German-Danish astronomer Heinrich Louis d'Arrest using a 27.94 cm (11 inch) f/17.5 refractor at the Copenhagen Observatory on the 27th April 1864. Subsequent observations of the position show no observable...
NGC 3943 (also MCG 4-28-84 and PGC 37237) is a magnitude +13.4 face-on spiral galaxy located 300 million light-years away in the constellation Leo. The galaxy was discovered by German-Danish astronomer Heinrich Louis d'Arrest using a 27.94 cm (11 inch) f/17.5 refractor at the Copenhagen Observa...
NGC 4336 (also IC 3254, MCG 3-32-20, UGC 7462 and PGC 40231) is a magnitude +12.5 spiral galaxy located 47 million light-years away in the constellation Coma Berenices. The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at D...
