Title: M dwarf companions to white dwarfs I: relating magnetic activity, rotation and age Authors: A. Rebassa-Mansergas, M.R. Schreiber, B.T. Gaensicke We make use of the largest and most homogeneous sample of white dwarf/M dwarf (WD/dM) binaries from the Sloan Digital Sky Survey (SDSS DR7) to i...
Orbital elements:
2012 YK Earth MOID = 0.0336 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 79.42960 (2000.0) P Q
n 1.48993548 Peri. 165.43559 -0.26733062 +0.94361995
a 0.7592027 Node 88.77092 -0.90247471 -0.17416430
e 0.3834188 Incl. 11.26093 -0.33774805 -0.28151054
P 0.66 H 22.7 G 0...
Extinct elephant 'survived late' in North China Wild elephants living in North China 3,000 years ago belonged to the extinct genus Palaeoloxodon, scientists say. They had previously been identified as Elephas maximus, the Asian elephant that still inhabits southern China. The findings sugges...
Mystery in Palermo A meteorite fell Brancaccio? For a little girl in the neighbourhood of Brancaccio, Palermo, a black stone fell from the sky. She saw the object, from her balcony, fall in a field not far from home and end up in a puddle. She just woke up this morning, went in search of the stone and found...
Eric Allin Cornell (born December 19, 1961) is an American physicist who, along with Carl E. Wieman, was able to synthesise the first Bose-Einstein condensate in 1995. For their efforts, Cornell, Wieman, and Wolfgang Ketterle shared the Nobel Prize in Physics in 2001. Read more[spoiler][video...
Albert Abraham Michelson (December 19, 1852 - May 9, 1931) was an American physicist known for his work on the measurement of the speed of light and especially for the Michelson-Morley experiment. In 1907 he received the Nobel Prize in Physics. He became the first American to receive the Nobel Prize...
A Christmas Carol is a novella by English author Charles Dickens, first published by Chapman & Hall on 19 December 1843. The story tells of sour and stingy Ebenezer Scrooge's ideological, ethical, and emotional transformation resulting from supernatural visits from Jacob Marley and the Gho...
Zombie horror infests the Large Hadron Collider In this version of the zombie creation myth, the epidemic is started by "Higgs radiation" which, once released through the LHC's tunnels, neatly explains the transformation of a group of scientists into a rampaging horde of zombies. Thi...
On August 25, the Opiconsivia (or Opeconsiva or Opalia) Roman festival was held in honour of Ops, usually known as Opis, and sometimes as Opus. Read more
Orbital elements:
2012 QQ50 Earth MOID = 0.0817 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 325.47409 (2000.0) P Q
n 0.43106875 Peri. 201.45555 +0.07250393 -0.98613151
a 1.7355549 Node 244.64751 +0.93742293 +0.11848978
e 0.5122588 Incl. 9.50894 +0.34056048 -0.11621026
P 2.29 H 19....
Charles Julien Brianchon (1783-1864) was a French mathematician and chemist. He entered into the École Polytechnique in 1804 at the age of eighteen, and studied under Monge, graduating first in his class in 1808, after which he took up a career as a lieutenant in Napoleon's artillery. Brianchon is...
The highest barometric pressure ever recorded on Earth was 1,085.7 hectopascals (32.06 inHg) measured in Tonsontsengel, Mongolia on 19 December 2001. The lowest non-tornadic atmospheric pressure ever measured was 870 hPa (25.69 inches), set on 12 October 1979, during Typhoon Tip in the wester...
Richard Erskine Frere Leakey (born 19 December 1944 in Nairobi) is a politician, paleoanthropologist and conservationist. He is second of the three sons of the archaeologists Louis Leakey and Mary Leakey, and is the younger brother of Colin Leakey. Read more
John Winthrop (December 19, 1714 - May 3, 1779) was the 2nd Hollis Professor of Mathematics and Natural Philosophy in Harvard College. He was a distinguished mathematician, physicist and astronomer, born in Boston, Mass. His great-great-grandfather, also named John Winthrop, was founder of th...
The MITS Altair 8800 was a microcomputer design from 1975 based on the Intel 8080 CPU and sold by mail order through advertisements in Popular Electronics, Radio-Electronics and other hobbyist magazines. Read more
