Title: Analytical calculation of the minimum wind speed required to sustain wind-blown sand on Earth and Mars Authors: Jasper F. Kok The wind-driven hopping motion of sand grains, known as saltation, forms dunes and ripples and ejects fine dust particles into the atmosphere on both Earth and Mars...
Ice lanterns dazzle as China marks start of year of the dragon Celebrations are underway in Beijing to mark the Chinese Year of the Dragon, which starts next week. Visitors have been flocking to the annual Ice Lantern Festival - to see more than 300 snow and ice sculptures. [url=http://www.bbc.co.u...
Title: The mass and radius of the M-dwarf in the short period eclipsing binary RR Caeli Authors: P.F.L. Maxted (1,2), D. O'Donoghue (3), L. Morales-Rueda (4,2), R. Napiwotzki (5) ((1)Keele University, UK, (2)Southampton University, UK, (3) SAAO, South Africa, (4) Universi...
Francis Bacon, 1st Viscount St Albans, KC (22 January 1561 - 9 April 1626) was an English philosopher, statesman, scientist, lawyer, jurist, author and pioneer of the scientific method. Read more
Bianca is an inner satellite of Uranus. It was discovered from the images taken by Voyager 2 on January 23, 1986, and was given the temporary designation S/1986 U 9. It was named after the sister of Katherine in Shakespeare's play The Taming of the Shrew. [url=http://en.wikipedia.org/wiki/Bianca...
HMS Victory 'set to be recovered' from seabed The remains of a 300-year-old warship are to be raised from the sea bed, according to reports. The wreck of HMS Victory, a predecessor of Nelson's famous flagship, was found near the Channel Islands in 2008. [url=http://www.bbc.co.uk/news/uk-166714...
Sites at Daer gives new clues to Scotland's history Archaeologists working on pre-historic sites at Daer are discovering further sites within a forestry plantation - revealing new parts of Scotland's story. For the first time Biggar Archaeological Group has found colouring substances, used by...
A strong magnitude 6.1 earthquake occurred at 06:35:05 (UTC) on Thursday, August 20, 2009, in the Norwegian Sea, 715 km WNW of Tromso, at a depth of 10 km. Location 72.222°N, 0.894°E
Orbital elements:
2012 BN11 PHA, Earth MOID = 0.0228 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 342.13729 (2000.0) P Q
n 0.57326800 Peri. 66.09817 -0.76001348 +0.64916562
a 1.4351510 Node 154.34655 -0.61931204 -0.70892651
e 0.3653804 Incl. 4.11159 -0.19705865 -0.27569403
P 1.72 H 2...
Sunspots 11402, 11401, 11396, 11397, 11395, 11398 and 11391. Expand (141kb, 560 x 560)Credit: SOHO/MDISunspot group 11395 15_01_2012 12_06_12. Sunspot group 11395 captured with a 100mm refractor and Vista pro webcam. Solar filter + #1...
Orbital elements:
2012 BK14 Earth MOID = 0.0020 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 137.50403 (2000.0) P Q
n 1.00712746 Peri. 254.93596 +0.97126814 -0.23681545
a 0.9857038 Node 118.75784 +0.22738116 +0.89414313
e 0.1992277 Incl. 1.54216 +0.07025671 +0.38003486
P 0.98 H 27.4...
Orbital elements:
2012 BG14 Earth MOID = 0.0311 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 62.51491 (2000.0) P Q
n 0.56904072 Peri. 275.23299 +0.77799304 -0.59187907
a 1.4422498 Node 121.22865 +0.62825377 +0.73028699
e 0.4894525 Incl. 14.26662 +0.00490227 +0.34111594
P 1.73 H 24.9...
Orbital elements:
2012 BF14 Earth MOID = 0.0787 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 31.69853 (2000.0) P Q
n 0.29542772 Peri. 289.59918 +0.55382426 -0.82476947
a 2.2327249 Node 126.24295 +0.80711008 +0.49808782
e 0.5843712 Incl. 8.13784 +0.20457764 +0.26770103
P 3.34 H 23.3 G...
