Title: Hong Kong is an impact crater: Proof from the geomorphological and geological evidence Authors: Chan, Chu-Lok; Wu, Siben; Luo, Xiuquan Hong Kong is a city in southern China. The urban districts of Hong Kong, Kowloon, and Victoria Harbour are situated within Hong Kong. Hong Kong is surround...
Orbital elements:
2013 AQ27 Earth MOID = 0.0785 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 297.24399 (2000.0) P Q
n 0.48526931 Peri. 184.37182 -0.74356116 -0.66723873
a 1.6037900 Node 313.67247 +0.61530807 -0.65718240
e 0.3370549 Incl. 3.46341 +0.26174946 -0.35057633
P 2.03 H 24....
Ex-USSR cosmonaut Konstantin Feoktistov has died Konstantin Feoktistov was the USSR's first civilian cosmonaut and crew member of the 1964 Voskhod spaceship. Konstantin Petrovich Feoktistov (February 7, 1926 - November 22, 2009) was a Soviet cosmonaut and an eminent space engineer. He also wr...
Researchers at Rensselaer Polytechnic Institute and Australian National University have found new evidence that environmental conditions on early Earth, within 200 million years of solar system formation, were characterized by liquid-water oceans and continental crust similar to those of...
Title: VLA Observations of DG Tau's Radio Jet: A highly collimated thermal outflow Authors: C. Lynch, R. L. Mutel, M. Güdel, T. Ray, S. L. Skinner, P. C. Schneider, K. G. Gayley The active young protostar DG Tau has an extended jet that has been well studied at radio, optical, and X-ray wavelengths. We...
The universe contains one and a half times more calcium than previously assumed. This conclusion was drawn by astronomers of the SRON Netherlands Institute for Space Research, after observations with ESA's XMM-Newton X-ray observatory. This research offers scientists new insights in th...
Found: One Planet Orbiting Sun-like Star. Only Twelve Light Years Away. May Be Habitable. An international team of astronomers using the W. M. Keck Observatory and other telescopes, has discovered that Tau Ceti, one of the closest and most Sun-like stars, may host five planets - with one in the elus...
The Hertzsrung-Russell Diagram (HR Diagram) as related to Stellar Radius and Temperature Hertzsrung-Russell Diagram The HR Diagrams plots stellar brightness versus surface temperature Luminosity vs. Surface Temperature Absolute Magnitude vs. Colour Index Absolute Magnitude vs. Spectra...
The 790 - 1800 metre wide asteroid 1999 HA2 made a close pass (58.0 lunar distances, 0.1491 AU), travelling at 15.08 km/second, to the Earth-Moon system on the 5th February, 2013 @ 22:22 UT ħ00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.002...
Orbital elements:
2013 BU15 Earth MOID = 0.0006 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 306.12720 (2000.0) P Q
n 0.31586209 Peri. 246.57040 -0.89663136 +0.44208190
a 2.1353597 Node 319.65430 -0.39096706 -0.81677675
e 0.6507735 Incl. 2.19674 -0.20783880 -0.37072811
P 3.12 H 22....
Orbital elements:
2003 BN4 Earth MOID = 0.0700 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 267.94313 (2000.0) P Q
n 0.68939952 Peri. 192.87500 -0.77160257 -0.63141043
a 1.2690792 Node 307.69873 +0.59191550 -0.66829199
e 0.1706526 Incl. 5.59470 +0.23294960 -0.39332771
P 1.43 H 24.1...
Orbital elements:
2013 AQ72 Earth MOID = 0.1163 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 327.34585 (2000.0) P Q
n 0.25137899 Peri. 202.59800 -0.68644917 -0.71330335
a 2.4864710 Node 291.07870 +0.68818923 -0.57444576
e 0.5621243 Incl. 8.71440 +0.23491089 -0.40151015
P 3.92 H 22....
IC 2177 is a region of nebulosity that lies along the border between the constellations Monoceros and Canis Major. It is a roughly circular HII region centred on the Be star HD 53367. This nebula was discovered by Welsh amateur astronomer Isaac Roberts and was described by him as, "pretty brigh...
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