"This month, some big space rocks have been hitting Earth's atmosphere. There have been five or six notable fireballs that might have dropped meteorites around the United States" - Bill Cooke, NASA's Meteoroid Environment Office. It's not the number of fireballs that has researchers...
A possible magnitude 14.6 supernova was discovered on the 21st February, 2012, in the spiral galaxy NGC 7637, in the constellation Octans. The supernova is located 58" west and 8" north from the center of the galaxy. As yet the type is unknown. The galaxy also hosted the Type II Supernova,...
UA-China Collaboration Advances Astronomy Research The project represents a major step forward for international astronomy partnerships. A collaboration between astronomers at the University of Arizona's Steward Observatory and at the National Astronomical Observatory of China has led t...
Orbital elements:
2012 DQ8 Earth MOID = 0.1107 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 193.62491 (2000.0) P Q
n 1.04817233 Peri. 359.87195 +0.95463508 +0.25893316
a 0.9598004 Node 342.78702 -0.27276250 +0.56223978
e 0.1482275 Incl. 29.79762 -0.11946747 +0.78539166
P 0.94 H 20.9...
Title: The Algol System SZ Herculis: Physical Nature and Orbital Behaviour Authors: Jae Woo Lee, Chung-Uk Lee, Seung-Lee Kim, Ho-Il Kim, Jang-Ho Park Multiband CCD photometric observations of SZ Her were obtained between 2008 February and May. The light curve was completely covered and indicat...
The International Organisation for Standardisation, widely known as ISO, is an international standard-setting body composed of representatives from various national standards organisations. Founded on February 23, 1947, the organisation promulgates worldwide proprietary, industrial...
Samuel Pepys FRS, MP, JP, (23 February 1633 - 26 May 1703) was an English naval administrator and Member of Parliament who is now most famous for the diary he kept for a decade while still a relatively young man. He was elected a Fellow of the Royal Society in 1665 and served as its President from 1 Decembe...
Title: Publication Trends in Astronomy: The Lone Author Authors: Edwin A. Henneken In this short communication I highlight how the number of collaborators on papers in the main astronomy journals has evolved over time. We see a trend of moving away from single-author papers. This communication i...
Title: XX. CoRoT-20b: A very high density, high eccentricity transiting giant planet Authors: M. Deleuil, A.S. Bonomo, S. Ferraz-Mello, A. Erikson, F. Bouchy, M. Havel, S. Aigrain, J.-M. Almenara, R. Alonso, M. Auvergne, A. Baglin, P. Barge, P. Bordé, H. Bruntt, J. Cabrera, S. Carpano, C. Cavarr...
Title: Absolute dimensions of solar-type eclipsing binaries. EF Aquarii: a G0 test for stellar evolution models Authors: J. Vos, J. V. Clausen, U.G. Jørgensen, R. H. Ostensen, A. Claret, M. Hillen, K. Exter Recent studies have shown that stellar chromospheric activity, and its effect on convect...
Scientists have solved a question about the nature of plutonium that had remained a mystery since the Manhattan Project.
Plutonium behaves like no other element in nature. The bonding of its electrons causes its crystal structure to be uneven, similar to a mineral, and the nucleus is unstable...
In Roman religion, Terminus was the god who protected boundary markers; his name was the Latin word for such a marker. Sacrifices were performed to sanctify each boundary stone, and landowners celebrated a festival called the "Terminalia" in Terminus' honour each year on February 23....