South Korea's Science Ministry has announced that it has decided to change the country's first-ever astronaut candidate because of a request from Russia. South Korean female Yi So-yeon, will be sent into the space on the Soyuz spacecraf...
Superconductors are materials that conduct electrical currents without any loss below a certain temperature. Normally, high magnetic fields destroy the superconductivity, turning the material into a normal conductor. Novel experiments on organic superconductors revealed a new supercond...
A Russian Soyuz rocket with a Soyuz TMA-12 spacecraft and Expedition 17 crew will launch from the Baikonur Cosmodrome, Kazakhstan, at 11:16 GMT, 8th April, 2008. The Expedition 17 crew, station commander Sergei Volkov, flight engineer Oleg Kononenko and South Korean spaceflight part...
Sky Atlas 2000.0 (Spiral-bound) by Wil Tirion (Author), Roger W. Sinnott (Author) The second edition of Wil Tirion's superb Sky Atlas 2000.0 offers 43,000 additional stars, with all positions now derived from the Hipparcos database. The Atlas opens out to reveal 28 charts, each one 500 mm wide and...
Intelsat I (nicknamed Early Bird for the proverb "The early bird catches the worm") was the first (commercial) communications satellite to be placed in geosynchronous orbit, on April 6 ,1965. It was built by the Space and Communications Group of Hughes Aircraft Company (later Hughes...
Sunspots 11445 (top), 11453 (center) and 11450 captured with a 100mm refractor and Vesta pro webcam. Baader contrast filter + IR-cut filter. Sunspot 11445 captured with a 100mm...
Proposed mechanism for dark energy The ekpyrotic theory hypothesises that the big bang was created by the collision of two parallel 5 dimensional membranes. The breaking of a higher dimensional universe, transferred the relatively low energy of the higher dimension to a lower dimension, and 'i...
Gem show to have meteorite remnant A recovered remnant of a meteorite that fell in Oroville will be on display at the 58th annual Paradise of Gems Show on April 7-8. Read more
A possible magnitude 9.8 nova was discovered by J. Seach (Australia) on the 5th April, 2012, in the constellation Centaurus. Position (J2000): R.A. 14 25 06.00 | Dec. -58° 45' 36.0''
Orbital elements:
2012 GE Earth MOID = 0.0060 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 39.96724 (2000.0) P Q
n 0.82431601 Peri. 79.80125 -0.07130676 -0.99734670
a 1.1265234 Node 14.31239 +0.89036245 -0.07026926
e 0.3721084 Incl. 3.39973 +0.44963324 -0.01902094
P 1.20 H 26.7 G 0.15...
Orbital elements:
2012 FB71 Earth MOID = 0.0177 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 7.99481 (2000.0) P Q
n 0.21834238 Peri. 39.16881 -0.43206842 -0.90060187
a 2.7313500 Node 76.47621 +0.81473210 -0.41226653
e 0.7157234 Incl. 2.78589 +0.38668913 -0.13766834
P 4.51 H 24.4 G 0.1...
Orbital elements:
2012 FA71 Earth MOID = 0.0168 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 7.11659 (2000.0) P Q
n 0.21254336 Peri. 321.28321 -0.50724668 -0.86159767
a 2.7808081 Node 159.17689 +0.80320792 -0.48051864
e 0.7111211 Incl. 3.01784 +0.31234249 -0.16355822
P 4.64 H 25.4 G 0...
Title: The UBV(RI)c colours of the Sun Authors: I. Ramirez, R. Michel, R. Sefako, M. Tucci Maia, W. J. Schuster, F. van Wyk, J. Melendez, L. Casagrande, B. V. Castilho Photometric data in the UBV(RI)c system have been acquired for 80 solar analogue stars for which we have previously derived highly pr...
Constellation Leo
Exposure Time 10 seconds
22:43:03 UTC, Sunday 21 May, 2006
Leo is one of the oldest and most distinctive constellations in the night sky. It lies due south a...
Gamma Leonis is a binary star system in the constellation Leo. It has the traditional name Algieba or Al Gieba. Algieba, as a binary system, consists of two stars. The brighter component has an apparent magnitude of +2.28 and is of spectral class K1-IIIbCN-0.5. The companion star has an apparent mag...
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