* Astronomy

NGC 3649 (also IC 682, UGC 6386 and PGC 34883) is a magnitude +13.7 barred spiral galaxy located 229 million light-years away in the constellation Leo. The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Datchet, Berkshir...

NGC 4496 (also NGC 4496A, NGC 4505, UGC 7668, IRAS 12291 +0412 and PGC 41471) is a magnitude +11.2 barred spiral galaxy located 43 million light-years away in the constellation Virgo. The galaxy lies close to NGC 4496B. The galaxy was discovered by German-British astronomer William Herschel using...

NGC 4527 (also UGC 7721 and PGC 41789) is a magnitude +10.5 intermediate spiral galaxy located 48.9 million light-years away in the constellation Virgo. The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Datchet, Berks...

NGC 4664 (also NGC 4665, NGC 4624, UGC 7924 and PGC 42970) is a magnitude +10.3 lenticular galaxy located 58 million light-years away in the constellation Virgo. The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Datchet...

The naturalist and television star Steve Irwin has died in a diving accident in far north Queensland. He was 44. Read more

Heinrich Rudolf Hertz (February 22, 1857 - January 1, 1894) was a German physicist who clarified and expanded the electromagnetic theory of light that had been put forth by Maxwell. He was the first to satisfactorily demonstrate the existence of electromagnetic waves by building an apparatus to p...

World Thinking Day, formerly Thinking Day, is celebrated annually on February 22 by all Girl Guides and Girl Scouts. It is also celebrated by Scout and Guide organizations and some boy-oriented associations around the world. Read more

Outside the Great Temple of Abu Simbel, a long line of people are waiting for a first chance to glimpse the sun's rays as they fall on the faces of the statues of Pharaoh Ramses II, and the gods of creation and light, Ptah, Amen and Heru-khuti. At exactly 6:20 AM, the first beams of light fall on the sanctua...

ATel 5913: NuSTAR observation of V475 Sco

AIA 171/304 (2014-01-28 02:25:35 - 2014-01-28 07:57:23 UTC) Spoiler

AIA 171/304 (2014-01-28 02:25:35 - 2014-01-28 07:57:23 UTC) Spoiler

Title: The Grande Prairie fireball of 1984 February 22 Authors: Halliday, I. The orbital characteristics of the Grande Prairie fireball of February 22, 1984 are analyzed based on photographic data. Photographs of the fireball were obtained at four separate observation stations in the Meteorit...

Asteroid (588) Achilles makes its closest approach to the Earth (3.811 AU) on the 21st February, 2013.

NGC 5493 (also UGCA 386, MCG-01-36-013 or PGC 50670) is a magnitude 11.4 spiral galaxy located 124 million light-years away in the constellation Virgo. The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) Reflector on the 22nd February 1787. Right A...

NGC 4753 (also UGC 8009, MCG 0-33-16, IRAS12498-0055 and PGC 43671) is a magnitude 9.9 lenticular galaxy located 57 million light-years away in the constellation Virgo. The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) Reflector on the 22nd Febr...

NGC 4720 (also IRAS 12481-0352, MCG -1-33-24 and PGC 43478) is a magnitude 13.3 lenticular galaxy located 69 million light-years away in the constellation Virgo. The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) Reflector on the 22nd February 17...