* Astronomy

Title: 1ES 0229+200 Authors: S. Kaufmann, S.J. Wagner, O. Tibolla, M. Hauser The blazar 1ES 0229+200 is a high frequency peaked BL Lac object with a hard TeV spectrum extending to 10 TeV. Its unusual spectral characteristics make it a frequently used probe for intergalactic radiation and magnetic...

Title: Star formation around RCW 120, the perfect bubble Authors: L. Deharveng, A. Zavagno, F. Schuller, J. Caplan, M. Pomarès, C. De Breuck We take advantage of the very simple morphology of RCW 120 -- a perfect bubble -- to understand the mechanisms triggering star formation around an HII region a...

The world's meteorites are vanishing. If something isn't done soon, most of Earth's rare space rocks could be gone in a lifetime. This particularly alarms scientists who want to study meteorites -- rocks from outer space ranging in size from microscopic particles to boulders weighing to...

Study Finds Falling Trees Make Sound Even if No One is Around to Hear It For the last two years, researchers have been placing microphones throughout Oregon's Crater Lake National Park in order to database and analyse what sort of sounds can be heard in some of the remotest places. And it turns out, evi...

Orbital elements: 2004 RT109 Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC M 352.53771 (2000.0) P Q n 0.14091679 Peri. 192.08172 +0.98190803 -0.18837707 a 3.6573026 Node 178.35404 +0.17248594 +0.93173695 e 0.5434259 Incl. 42.09060 -0.07813588 -0.31045184 P 6.99 H 18.5 G 0.15 U 2 MPEC 2011 -...

A sacred tree which came back to life after it was nearly destroyed by vandals must now be replaced - thanks to trophy hunters who have broken off its new shoots. The Holy Thorn Tree in Glastonbury Somerset had its branches hacked off in December last year. [url=http://www.dailymail.co.uk/news/ar...

Jean Baptiste Joseph, chevalier Delambre (19 September 1749, Amiens - 19 August 1822, Paris) was a French mathematician and astronomer. He was also director of the Paris Observatory, and author of well-known books on the history of astronomy from ancient times to the 18th century. Read more

James Waddell Alexander II (September 19, 1888 - September 23, 1971) was a mathematician and topologist of the pre-World War II era and part of an influential Princeton topology elite, which included Oswald Veblen, Solomon Lefschetz, and others. Read more

2004 SV55 = 1983 SN Orbital elements: 2004 SV55 = 1983 SN Earth MOID = 0.0914 AU Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC M 305.09947 (2000.0) P Q n 0.42246409 Peri. 280.78582 -0.01460511 +0.98469940 a 1.7590419 Node 344.70276 -0.44259385 -0.16209358 e 0.6583553 Incl. 41.16210 -0.89660324 +0.06...

Ofeq 1, launched September 19, 1988, possessed a weight of 155 kg and circled the earth on an orbit with a perigee of 249 km and an apogee of 1149 km on a course bent around 142.9 degrees. It accomplished mainly solar cell and radio transmission tests. Read more

The Rainier shot nuclear test, conducted September 19, 1957, was the first fully contained underground nuclear test, meaning that no fission products were vented into the atmosphere. This test of 1.7 KT could be detected around the world by seismologists using ordinary seismic instruments. The...

Betty and Barney Hill were an American couple who claimed to have been abducted by extraterrestrials on September 19-20, 1961. Read more

International Talk Like a Pirate Day (ITLAPD) is a parodic holiday created in 1995 Read more Talk like a Pirate

Conference: Comets, Rocks and Life Turku, Findland

Orbital elements: 2011 SF3 Earth MOID = 0.0914 AU Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC M 351.61073 (2000.0) P Q n 0.22134698 Peri. 198.56565 +0.99370660 -0.10563299 a 2.7065766 Node 167.32390 +0.11151261 +0.96435180 e 0.5986923 Incl. 9.77796 -0.01058910 +0.24262581 P 4.45 H 20.6 G...