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Jan. 31  Deflecting NEOs with solar sails
Near Earth Objects (asteroids that have orbits bringing them dangerously close to Earth) are receiving ever more attention, especially after recent impacts on Jupiter. There are two possible >>>
Jan. 28  Jupiter impact was an asteroid
On the 19th July 2009, between 9 and 11 UTC, a small celestial body crashed into Jupiter's atmosphere. The first to notice was an Australian amateur astronomer, Anthony Wesley, who immediately spread >>>
Jan. 27  VIRUS-W studies the heart of NGC 2903
The scientific results of the so-called "first light" observations of the Visible Integral-field Replicable Unit Spectrograph-W, have just been made public. VIRUS-W is a high resolution spectrograph capable >>>
Jan. 26  The shock wave around Zeta Ophiuchi
If we look at Zeta Ophiuchi with the naked eye, what we see is an unremarkable, reddish star of magnitude 2.5, without any trace of nebulosity. The image recently released by NASA (above) shows >>>
Jan. 25  Light shed on the greatest mass extinction
A group of researchers at the University of Calgary, Canada, has discovered one of the contributory factors behind the great mass extinction of the late Permian period, that caused the extinction >>>
Jan. 24  Active galaxies unveiled by X-rays
In the 10th February issue of The Astrophysical Journal, the results of the analysis of data taken by the Swift X-ray satellite will be published, showing that a significant fraction of active galaxies escape direct >>>
Jan. 21  The Tevatron may never see the Higgs boson
The second most powerful particle accelerator in the world, the Tevatron, pride of the Fermi National Accelerator Laboratory (Batavia, Illinois), won't be able to continue operations beyond September >>>
Jan. 20  Disturbed pulsations in WASP-33
In the constellation of Andromeda, at a distance of 378 light years from Earth, there is a Delta Scuti type pulsating star, called WASP-33, that has a giant planet. Detected for the first time in 2006, thanks to >>>
Jan. 19  Exoplanets: inclined orbits dominant
Research by a team of astronomers at the University of Tokyo and the National Astronomical Observatory of Japan (NAOJ) has found that orbits which are strongly inclined with respect to the spin axis of >>>
Jan. 18  Weighed: the super black hole in M87
6.6 billion solar masses. This is the mass of the
super-massive black hole nested in the nucleus of the enormous elliptical galaxy M87, visible in the constellation of Virgo and about 50 million light
>>>
Jan. 17  The great ocean of Gliese 581 g
A few months ago there was a great deal of talk about the exoplanet Gliese 581 g, in orbit around a red dwarf about 20 light years away. After being in the news for being the first that could have liquid >>>
Jan. 14  Cepheids are no longer standard!
The results of a very interesting study on Cepheids, that confirm that the period-luminosity relation of this class of variable star can sometimes be unreliable in the calculation of cosmological >>>
Jan. 13  SDSS-III, the sky in a trillion pixels
At the 217th meeting of the American Astronomical Society, underway in Seattle, the Sloan Digital Sky Survey-III (SDSS-III) team has made publicly available the largest ever digital image of the sky. It's a >>>
Jan. 12  Star clusters in Hanny's Voorwerp
Just over two months ago, in the 4th November news, we described the latest findings concerning the unusual celestial object known as "Hanny's Voorwerp", a gigantic gas cloud illuminated by the light >>>
Jan. 11  Kepler-10b, the smallest exoplanet
The existence of Kepler-10b has been confirmed. This exoplanet is only 1.4 times larger than the Earth and orbits an 8 billion year old, solar type star, 560 light years away. Catalogued as "Kepler-10", this >>>
Jan. 10  M31 from the far-infrared to X-rays
The research teams that operate the Herschel and XMM-Newton space telescopes have celebrated Christmas by producing a very unusual and spectacular image of the famous spiral galaxy in Andromeda >>>

 

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