Mercury: at magnitude 2.0, starts the month in the constellation of Pisces. Mercury is at aphelion (distance to sun: 0.4667 AU) at 5:00 UT, 15th April. Mercury is at Greatest Elongation (27.5° West, in the mornings, brightness: 0.4 mag) on the 18th April. Mercury is at Dichotomy (Half phase) o...
Orbital elements:
2012 HE31 Earth MOID = 0.0042 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 300.74459 (2000.0) P Q
n 0.61075908 Peri. 271.17598 +0.27674019 +0.96094087
a 1.3758025 Node 14.89064 -0.87735336 +0.25382946
e 0.3909527 Incl. 0.61115 -0.39200248 +0.11028713
P 1.61 H 25.8 G...
Orbital elements:
2012 HD25 Earth MOID = 0.0247 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 3.25396 (2000.0) P Q
n 0.34536790 Peri. 93.06041 -0.71278452 -0.69784365
a 2.0119387 Node 42.70097 +0.59522638 -0.65492323
e 0.6382866 Incl. 5.95630 +0.37100376 -0.28998241
P 2.85 H 23.3 G 0.1...
Orbital elements:
2012 HC25 Earth MOID = 0.0184 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 10.94679 (2000.0) P Q
n 0.74235523 Peri. 316.59356 -0.90996481 -0.41311131
a 1.2079850 Node 199.09728 +0.40421210 -0.86417500
e 0.1877422 Incl. 6.33458 +0.09261004 -0.28729884
P 1.33 H 25.8 G...
Sunspots 11469 (left), 11466 and 11465 (bottom right) captured with a 80mm refractor and Vesta pro webcam. Solar filter + Baader contrast filter + IR-cut filter. Sunspots 11471...
Orbital elements: 2010 KY39 Earth MOID = 0.3250 AU Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC M 13.67482 (2000.0) P Q n 0.39914200 Peri. 92.56448 +0.16966103 +0.98353400 a 1.8269126 Node 188.05245 -0.98383001 +0.17271367 e 0.4232881 Incl. 26.38782 +0.05739026 +0.05320590 P 2.47 H 19.6 G 0.15 U 9 [...
Jules Henri Poincaré (29 April 1854 - 17 July 1912) was a French mathematician, theoretical physicist, engineer, and a philosopher of science. He is often described as a polymath, and in mathematics as The Last Universalist, since he excelled in all fields of the discipline as it existed during his...
Jean-Georges Noverre (29 April 1727 - 19 October 1810) was a French dancer and balletmaster, and is generally considered the creator of ballet d'action, a precursor of the narrative ballets of the 19th century. His birthday is now observed as International Dance Day. Read more Rocky Mountain Bal...
TEDxUChicago returns April 29 with talks and design exhibits After receiving rave reviews and the Best Event of the Year 2011 Award from the student government, the annual TEDxUChicago event returns on Sunday, April 29 with new enhancements and some surprises. This year's speakers include: age...
On 29 April 1770, Botany Bay was the site of James Cook's first landing of HMS Endeavour on the continent of Australia. Initially the name Sting Ray Harbour for Botany Bay, was used by Cook and recorded on an Admiralty chart, because of the abundance of stingrays. [url=http://en.wikipedia.org/wik...
Professor Heinz Wolff BSc. FIEE. FIBES FRCP (Hon) FRSA is a German-British scientist, and television and radio presenter who was born in 1928. He is popularly known for his television and radio work, including the TV series The Great Egg Race. Read more Ali G talks to Professor Heinz Wolff about Scie...
Bulgarian Man nearly Hit by Meteorite A local man, Dimitar Grancharov, was walking his dog at about 9 pm on April 25 when he heard something falling from the sky right next to him. Read more
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