Footage of the French forces recently fighting in Mali, trying to shut down an al Qaeda weapons base. This footage was taken in the days lead-up to this event. Mali has been in the news a lot lately due to the increased tension and conflict in the region.
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Σάββατο 16 Μαρτίου 2013
Παρασκευή 15 Μαρτίου 2013
Comet C/2011 L4
In early March 2013, Comet PanSTARRS became visible to the naked eye in the night sky in the Northern Hemisphere -- appearing with a similar shape and brightness as a star, albeit with a trailing tail. Up in space, however, NASA's STEREO (Solar TErrestrial RElations Observatory) has an even better view. This movie, captured by the STEREO-B spacecraft on March 9-12, shows the comet and its fluttering tail as it moves through space. The stationary planet on the right is Earth, and the moving planet on the left is Mercury. The material moving in from the left is solar wind streaming off the sun, which is out of view on the left. Comet scientists say the tail looks quite complex and it will take computer models to help understand exactly what's happening in STEREO's observations. The comet should remain visible to the naked eye through the end of March. Comet PanSTARRS (discovered June 2011) is named for the Panoramic Survey Telescope & Rapid Response System (Pan-STARRS) in Hawaii.
Τετάρτη 13 Μαρτίου 2013
Τρίτη 12 Μαρτίου 2013
Κυριακή 10 Μαρτίου 2013
Σάββατο 9 Μαρτίου 2013
Naked-Eye Comet Pan-STARRS at Its Brightest This Weekend
Naked-Eye Comet Pan-STARRS at Its Brightest This Weekend
by Miriam Kramer, SPACE.com Staff Writer
Date: 08 March 2013 Time: 06:00 AM ET
Close-up of comet C/2011 L4 PANSTARRS as seen from Mount Dale, Western Australia. CREDIT: Astronomy Education Services/Gingin Observatory |
A comet that just made its way into the Northern Hemisphere evening sky should be at its brightest this weekend, but it may be tricky for stargazers to see.
On Sunday (March 10), the Comet Pan-STARRS is expected to make its closest approach to the sun, potentially making the comet shine even more brilliantly when it appears at twilight low in the western sky, weather permitting. But stargazers will need a bit of preparation (not to mention a clear sky) to see the comet.
"There is a catch to viewing Comet Pan-STARRS," Amy Mainzer, the principal investigator of NASA's near-Earth object hunting NEOWISE mission at the Jet Propulsion Laboratory in Pasadena, Calif., said in a statement Thursday (March 7). "This one is not that bright and is going to be low on the western horizon, so you'll need a relatively unobstructed view to the southwest at twilight and, of course, some good comet-watching weather."
On Sunday, Comet Pan-STARRS will pass about 28 million miles (45 million km) from the sun during its close approach. The comet made its closest pass with the Earth on Tuesday (March 5) when it flew by at about 102 million miles (164 million km) from the planet. [How to see the comet]
"It will appear in the west at sunset, from around the 8th to the 13th of March 2013, and will be visible to the naked eye up to the end of the month: Comet Pan-STARRS C/2011 L4 will traverse Cetus, Pisces, Pegasus and Andromeda," Paris Observatory officials wrote in a statement Thursday, as the comet entered the Northern Hemisphere's evening sky after months of being visible from the Southern Hemisphere.
The path of Comet C/2011 L4 (Pan-STARRS) over the next month.
CREDIT: Starry Night Software
CREDIT: Starry Night Software
Comet Pan-STARRS, which has the official designation C/2011 L4 (PANSTARRS), was discovered in June 2011 by astronomers using the Panoramic Survey Telescope and Rapid Response System (or PANSTARRS) telescope in Hawaii. The comet made its way into the inner solar system from the Oort cloud — a group of icy bodies orbiting the sun in a region that extends from just beyond the orbit of Neptune out to a distance of 93 trillion miles (150 trillion kilometers).
While Pan-STARRS may start dimming after Sunday, that doesn't mean that comet observers should put away their binoculars yet. On March 12 and 13, the comet will appear close to the moon, possibly even silhouetting it according to SPACE.com stargazing columnist Geoff Gaherty, an astronomer with the Starry Night Education night sky software company.
There are even comet sighting opportunities in April.
On April 3, the comet should be in the same part of the sky as the Andromeda Galaxy. Although the comet won't still be visible with the naked eye, stargazers with telescopes could still get a nice view of the comet and galaxy, Gaherty explained.
Pan-STARRS has already put on a show for stargazers in the Southern Hemisphere. It is one of several comets in the night sky expected to dazzle observers this year. Last month, amateur astronomers managed to photograph Pan-STARRS and another celestial wanderer — Comet Lemmon — at the same time to documentrare photos of two comets together in the night sky.
Later this year, another comet from the Oort Cloud could be the brightest comet to pass by the Earth in a generation. Comet ISON is expected to outshine every comet in recent memory when it makes its closest swing by the sun late November.
Editor's note: If you snap an amazing photo of Comet Pan-STARRS in the night sky, or any other celestial object, and you'd like to share for a possible story or image gallery, please send images and comments, including location information, to managing editor Tariq Malik at spacephotos@space.com.
Follow Miriam Kramer @mirikramer and Google+. Follow us @Spacedotcom, Facebook and Google+. Original article onSPACE.com.
Lamborghini LP 750-4 Veneno - Παγκόσμια Πρεμιέρα price 3.000.000
In the year of its 50th anniversary Automobili Lamborghini is presenting an extremely exclusive model at the Geneva Motor Show 2013. Only three unique units of the Lamborghini Veneno will be built and sold. Its design is consistently focused on optimum aerodynamics and cornering stability, giving the Veneno the real dynamic experience of a racing prototype, yet it is fully homologated for the road. With a maximum output of 552 kW / 750 hp, the Veneno accelerates from 0 to 100 km/h in just 2.8 seconds and the top speed for this street-legal racing car stands at 355 km/h. It is priced at three million Euros plus tax -- and all three units have already been sold to customers.
The Lamborghini Veneno features a twelve-cylinder power unit with a displacement of 6.5 liters, an extremely fast-shifting 7-speed ISR transmission with 5 driving modes and permanent all-wheel drive, as well as a racing chassis with pushrod suspension and horizontal spring/damper units. Above all, however, the Veneno benefits from the very special expertise that Automobili Lamborghini possesses in the development and execution of carbon-fiber materials -- the complete chassis is produced as a CFRP monocoque, as is the outer skin of this extreme sports car. The inside, too, features innovative, Lamborghini-patented materials such as Forged Composite and CarbonSkin.
Fully in keeping with the tradition of the brand, the name of the Veneno originates from a legendary fighting bull. Veneno is the name of one of the strongest and most aggressive fighting bulls ever. He is also famous for being one of the fastest bulls in the history of bullfighting. His name became popular in 1914, when he fatally wounded the famous torero José Sánchez Rodríguez during the bullfight in the arena Sanlúcar de Barrameda's, Andalusia, Spain.
The Lamborghini Veneno features a twelve-cylinder power unit with a displacement of 6.5 liters, an extremely fast-shifting 7-speed ISR transmission with 5 driving modes and permanent all-wheel drive, as well as a racing chassis with pushrod suspension and horizontal spring/damper units. Above all, however, the Veneno benefits from the very special expertise that Automobili Lamborghini possesses in the development and execution of carbon-fiber materials -- the complete chassis is produced as a CFRP monocoque, as is the outer skin of this extreme sports car. The inside, too, features innovative, Lamborghini-patented materials such as Forged Composite and CarbonSkin.
Fully in keeping with the tradition of the brand, the name of the Veneno originates from a legendary fighting bull. Veneno is the name of one of the strongest and most aggressive fighting bulls ever. He is also famous for being one of the fastest bulls in the history of bullfighting. His name became popular in 1914, when he fatally wounded the famous torero José Sánchez Rodríguez during the bullfight in the arena Sanlúcar de Barrameda's, Andalusia, Spain.
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