* Astronomy

Orbital elements: 2015 DC200 PHA, Earth MOID = 0.0304 AU Epoch 2014 Dec. 9.0 TT = JDT 2457000.5 MPC M 293.33872 (2000.0) P Q n 0.40698261 Peri. 85.71428 +0.64213743 +0.76567520 a 1.8033727 Node 224.31194 -0.72287543 +0.58854541 e 0.8699253 Incl. 3.07145 -0.25516785 +0.25952993 P 2.42 H 2...

Orbital elements: 2015 DG200 PHA, Earth MOID = 0.0042 AU Epoch 2014 Dec. 9.0 TT = JDT 2457000.5 MPC M 3.03933 (2000.0) P Q n 0.24403357 Peri. 289.16368 +0.64382281 -0.74830769 a 2.5361192 Node 119.70230 +0.75280893 +0.58206803 e 0.7253648 Incl. 10.59945 +0.13700694 +0.31817039 P 4.04 H 2...

Leonard Nimoy has attended his final "Star Trek" convention. The 80-year-old actor, best-known for playing Mr. Spock in the original TV series that began in September 1966, formed four fingers into a V for Vulcan sign and intoned to fans Spock's most famous phrase: "Live long and p...

Meteoriteshttp://astronomy.activeboard.com/t48040605/motta-di-conti-meteorite/

The San Michele (L6) meteorite fell in Marche, Italy, on the 20th February, 2002. A total mass of 237 g was recovered. 43° 40'N, 13° 0'E

Meteoriteshttp://astronomy.activeboard.com/t48023100/parnallee-meteorite/

Mercury: at magnitude 4.1, starts the month in the constellation of Capricornus. Mercury makes its closest approach to the Earth (0.655 AU) on the 1st. Mercury is at Dichotomy (Half phase) on the 19th. Mercury is at Greatest Elongation (26.7° W) in the morning sky on the 24th. The planet is best seen...

The 180 - 410 metre wide asteroid 2014 YS34 will make a close pass (38.1 LD, 0.0978 AU) travelling at 6.94 km/second, to the Earth-Moon system on the 28th February 2015 @ 15:50 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).

The 36 - 80 metre wide asteroid 2015 DP53 will make a close pass (19.8 LD, 0.0510 AU) travelling at 8.58 km/second, to the Earth-Moon system on the 28th February 2015 @ 10:25 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).

Y Leonis (HIP 47178 and SAO 80927) is a magnitude +10.07 Delta Scuti variable binary star located 980 light-years away in the constellation Leo, about 2.5° east of Kappa Leonis ( Leonis). Y Leonis is also a close eclipsing binary. During the eclipse the main component dims by 3.11 magnitudes. Its orb...

Europe's first farmers replaced hunter-gatherers Analysis of ancient DNA from skeletons suggests that Europe's first farmers were not the descendants of the people who settled in the area after the retreat of the ice sheets. Instead, the early farmers probably migrated into major areas of centr...

Sir Richard Owen FRS KCB (20 July 1804 - 18 December 1892) was an English biologist, comparative anatomist and palaeontologist. Despite being a controversial figure, Owen is generally considered to have been an outstanding naturalist with a remarkable gift for interpreting fossils. Read more

Title: A Possible Detection of Occultation by a Proto-planetary Clump in GM Cephei Authors: The YETI Collaboration: W. P. Chen, S. C.-L. Hu, R. Errmann, Ch. Adam, S. Baar, A. Berndt, L. Bukowiecki, D. P. Dimitrov, T. Eisenbeib, S. Fiedler, Ch. Ginski, C. Gräfe, J. K. Guo, M. M. Hohle, H. Y. Hsiao, R. Ja...

Ancient black hole had an inexplicable growth spurt Astronomers have discovered a black hole with a mass 12 billion times that of the sun. It seems to have reached that size when the universe was less than a billion years old, which creates a puzzle. Current models suggest that it could not have grown s...

Earth and sky - we live where they converge. Exploring and understanding both is vitally important to our future. And thanks to the Internet, it can be easy and enjoyable. A newly revised and released Internet feature called Google Earth provides virtual tours and explorations of not just our plan...