Johann Jakob Balmer (May 1, 1825 - March 12, 1898) was a Swiss mathematician and mathematical physicist. Despite being a mathematician, he is not remembered for any work in that field; rather, his major contribution (made at the age of sixty, in 1885) was an empirical formula for the visible spectra...
Morris Kline (May 1, 1908 - June 10, 1992) was a Professor of Mathematics, a writer on the history, philosophy, and teaching of mathematics, and also a populariser of mathematical subjects. Read more
Nereid, also known as Neptune II, is the third-largest moon of Neptune. It has a highly eccentric orbit. Nereid was discovered on May 1, 1949, by Gerard P. Kuiper and was the second moon of Neptune to be discovered. Read more
The boundaries of interplanetary space exploration have been given a major shove into new territory by the Stevenage hub of one of the worlds leading space systems manufacturers, Astrium. The £2 billion company, which is grabbing the headlines with its catchy design for a tourist space jet, has al...
Newly found planets are 'roasted remains' Just a day after announcing the discovery of the first Earth-size planets ever detected outside our Solar System, scientists have confirmed the existence of two even smaller worlds. There is something very unusual about these objects, however. It appea...
Orbital elements:
2012 HL31 Earth MOID = 0.1465 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 95.73724 (2000.0) P Q
n 1.18130798 Peri. 16.55808 +0.59648919 -0.77622714
a 0.8862589 Node 37.53622 +0.69317817 +0.37000012
e 0.3707404 Incl. 19.57597 +0.40460433 +0.51046189
P 0.83 H 22.3 G 0...
Orbital elements:
2012 HJ31 Earth MOID = 0.0502 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 357.96588 (2000.0) P Q
n 0.26285720 Peri. 311.10293 -0.99333901 -0.09388623
a 2.4135491 Node 223.63248 +0.11085231 -0.93687861
e 0.5868627 Incl. 5.55582 -0.03145443 -0.33681427
P 3.75 H 24.5...
Orbital elements:
2012 HH31 Earth MOID = 0.0698 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 12.67906 (2000.0) P Q
n 0.75220506 Peri. 75.11347 -0.93821029 -0.34135784
a 1.1974164 Node 84.90144 +0.29148807 -0.86810354
e 0.1375300 Incl. 3.27419 +0.18653728 -0.36037629
P 1.31 H 23.9 G 0....
Orbital elements:
2012 HF31 Earth MOID = 0.0648 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 235.17732 (2000.0) P Q
n 0.50948744 Peri. 30.22911 +0.99379878 +0.06675483
a 1.5525552 Node 325.59385 -0.10309371 +0.85280717
e 0.4388110 Incl. 9.05457 +0.04166141 +0.51794181
P 1.93 H 19.3 G...
Beltane Fire Festival is an annual participatory arts event and ritual drama, held on April 30 on Calton Hill in Edinburgh. Read more Beltane Fire Dance
Walpurgis Night (Walpurgisnacht) is a traditional spring festival on 30 April or 1 May in large parts of Central and Northern Europe. It is often celebrated with dancing and with bonfires. It is exactly six months from All Hallows' Eve. Read more
Johann Carl Friedrich Gauss (30 April 1777 - 23 February 1855) was a German mathematician and physical scientist who contributed significantly to many fields, including number theory, statistics, analysis, differential geometry, geodesy, geophysics, electrostatics, astronomy and optics...
A Soyuz rocket with the Progress M-14M/46P cargo ship is scheduled to launch to the International Space Station from the Baikonur Cosmodrome, Kazakhstan, at 23:06 UT, 25th January, 2012. [video=http://www.youtube.com/watch?v=Mqrs...
Asteroid (423) Diotima is at Opposition on the 29th April 2012 Magnitude: 11.4 Distance to Earth: 1.995 AU Distance to Sun: 2.994 AU Asteroid (423) Diotima is a one of the largest main-belt asteroids. It is classified as a C-type asteroi...
