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WASHINGTON, June 23 (Xinhua) -- NASA's next Mars rover has completed the journey from its California birthplace to Florida in preparation for launch this fall, the U.S. space agency said Thursday in a statement.The Mars Science Laboratory (MSL) rover, also known as Curiosity, arrived Wednesday at NASA's Kennedy Space Center aboard an Air Force C-17 transport plane. It was accompanied by the rocket-powered descent stage that will fly the rover during the final moments before landing on Mars.The rover's aeroshell -- the protective covering for the trip to the Red Planet -- and the cruise stage, which will guide it to Mars, arrived at Kennedy last month. The mission is targeted to launch from Cape Canaveral Air Force Station between Nov. 25 and Dec. 18. The car-size rover will land on Mars in August 2012.The rover and other spacecraft components will undergo more testing before mission staff stack them and fuel the onboard propulsion systems. Curiosity should be enclosed in its aeroshell for the final time in September and delivered to Kennedy's Launch Complex 41 in early November for integration with a United Launch Alliance Atlas V rocket.Curiosity is about twice as long and more than five times as heavy as any previous Mars rover. Its 10 science instruments include two for ingesting and analyzing samples of powdered rock delivered by the rover's robotic arm. During a prime mission lasting one Martian year -- nearly two Earth years -- researchers will use the rover's tools to study whether the landing region has had environmental conditions favorable for supporting microbial life and favorable for preserving clues about whether life existed.

BEIJING, June 28 (Xinhuanet) -- A truck-sized asteroid passed over the Atlantic Ocean within 7,500 miles of the Earth on Monday, according to NASA's Jet Propulsion Laboratory.The space rock, called asteroid 2011 MD, is the second space rock to zip extremely close to the Earth this year.The asteroid, with latest size estimates ranging from 16 to 66 feet (5 to 20 meters) wide, was discovered just last week on June 22, but there was never any risk of it impacting the Earth, NASA scientists said. That means asteroid 2011 MD would likely be too small to survive the fiery plunge through the Earth's atmosphere, let alone reach the surface, NASA scientists said. Asteroids this size can be expected to buzz Earth with close shaves about once every six years, they added.The space rock flew well below geosynchronous satellites, which orbit 22,236 miles (35,786 km) above the Earth, but well above the 220-mile (354-km) altitude of the International Space Station.There was little chance that the asteroid would hit a satellite because of the vastness of space and relatively small number of satellites, experts said.

SAN FRANCISCO, July 7 (Xinhua) -- Apple announced Thursday that over 15 billion applications have been downloaded from its App Store by more than 200 million Apple mobile devices users worldwide."Thank you to all of our amazing developers who have filled it with over 425,000 of the coolest apps and to our over 200 million iOS users for surpassing 15 billion downloads," said Phillip Schiller, Apple's senior vice president of worldwide product marketing, in a statement.Launched on July 10, 2008, Apple's digital application distribution platform has been growing at a fast speed. It took nine months to hit one billion downloads and five billion in June 2010. In January, Apple gave a 10,000-U.S. dollar App Store gift card to a user who downloaded the 10 billionth application.In Thursday's statement, the Cupertino, California-based company said it had paid developers 2.5 billion dollars to date.Apple's mobile market place is far ahead of Google's Android Market. At its annual I/O conference in May, Google said there had been 4.5 billion app installs so far. But Google said the growth of its mobile operating system and applications is accelerating with its store hitting another billion downloads every 60 days.Currently, Apple is in a legal battle against Amazon over the use of "Appstore," which the online retailer launched in March to sell mobile applications to Google's Android platform users.On Wednesday, a federal judge denied Apple's request to immediately stop Amazon from using the term "Appstore."Meanwhile, Amazon, Microsoft, HTC, Nokia and Sony Ericsson have filed complaints against Apple in Europe, seeking to get Apple's trademarks for "App Store" and "Appstore" invalidated.

SAN FRANCISCO, July 21 (Xinhua) -- Microsoft Corp. on Thursday posted strong quarterly earnings in its fourth fiscal quarter, with profit and revenue beating expectations from Wall Street analysts.For the quarter ended June 30, the world's largest software maker reported a net income of 5.87 billion U.S. dollars, or 69 cents per share, representing increases of 30 percent and 35 percent respectively when compared with the year-ago period.Revenue for the quarter was 17.37 billion dollars, up by 8 percent from the same period a year earlier.Wall Street analysts had expected a profit of 58 cents per share on a revenue of 17.23 billion dollars, according to Thomson Reuters.For the whole fiscal year, Microsoft reported a record revenue of 69.94 billion dollars, a 12 percent increase from the prior fiscal year. Net income for the year was 23.15 billion dollars, accounting for an increase of 23 percent.Among its business sectors, Microsoft Business Division revenue grew 7 percent for the fourth quarter and 16 percent for the full year. Over 100 million licenses of office 2010 have been sold so far, said the company.Primarily driven by growth in search revenue, the company's on- line services division revenue grew 17 percent for the fourth quarter and 15 percent for the full year. U.S. search share of Microsoft's search engine Bing increased 340 basis points year- over-year.Microsoft said revenue of entertainment and devices division grew by 30 percent for the quarter and 45 percent for the year.However, Windows and Windows Live revenue declined by 1 percent for the fourth quarter and decreased by 2 percent for the full year. Microsoft said estimated full-year revenue growth for the Windows division was in line with the sluggish PC market growth.

VIENNA, Sept. 22 (Xinhua) -- Climate change and rising temperature in the long term can lead to water shortages in the Alps region, international experts warned Thursday at the Water-Scarce Final Conference in the Austrian eastern city Graz.The Alpine region originally is rich in water resources due to a large number of glaciers, spring and abundant rainfall either in summer or winter. But global warming may change this situation which has been shown in the past years that the water reserve has reduced gradually due to climate change, warned the experts.Observation data have shown a significant decrease of 25 percent in groundwater recharge in the past 100 years which has also resulted in the reduction of mountain spring.Director of the Provincial Department of Water Resources of Styria Johann Wiedner point out, in 2003, droughts occurred in the eastern part of the Alps, including the state of Styria and water shortages were also found in other regions of the Alps. He said the phenomenon was giving a warning that people "have to do something."To this end, the European Union begun a project called "Alp Water Scarce" three years ago to observe water reserves, air temperature, water temperature and water table in this region and study the relationships among them.Wiedner also admitted that there is no shortage of water at least in the short term and water supply for the local residents is totally insured.

来源：资阳报