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PARIS, May 17 (Xinhua) -- Arianespace has approved the preparation review of the third Ariane 5 flight, which is expected to lift two communication satellites on Friday from the spaceport in French Guiana, the European launching center said on Tuesday.The prior readiness review approved that "Ariane 5 is now cleared for its May 19 rollout from the Final Assembly Building to the ELA-3 launch zone, where it will be readied for liftoff on Friday at 5:38 p.m. local time in French Guiana," the space center said in a statement.This dual payload flight will orbit GSAT-8 and ST-2 satellites, with a combined mass of 8,190 kilo grams.Built by Japan's Mitsubishi Electric Company, ST-2 will be utilized by the ST-2 Satellite Ventures joint company of Singapore Telecommunications Ltd (SingTel) and Taiwan's Chunghwa Telecom Company Ltd. for Ku- and C-band relay services across the Middle East, Central Asia, India and Southeast Asia.The lighter passenger GSAT-8, built by the Indian Space Research Organization (ISRO), will serve to augment India's Ku- band relay capabilities and offer aircraft navigation assistance over Indian airspace and adjoining areas with its two-channel GAGAN system.The Arianespace started its 2011 busy year for heavy-lift Ariane 5 with the milestone launch of Europe's second Automated Transfer Vehicle (ATV) on February 16, and then a dual payload on April 22 that orbited Yahsat Y1A and Intelsat New Dawn satellites.

LOS ANGELES, April 7 (Xinhua) -- Using NASA's Galaxy Evolution Explorer (GEE) satellite, U.S. astronomers are hunting for nearby, hard-to-see stars which could very well be home to the easiest-to-see alien planets, it was announced on Thursday.U.S. astronomers are ferreting out the new targets after the glare of bright, shining stars has frustrated most efforts at visualizing distant worlds, NASA's Jet Propulsion Laboratory (JPL) said.So far, only a handful of distant planets, or exoplanets, have been directly imaged. Small, newborn stars are less blinding, making the planets easier to see, but the fact that these stars are dim means they are hard to find in the first place."Fortunately, the young stars emit more ultraviolet light than their older counterparts, which makes them conspicuous to the ultraviolet-detecting GEE," JPL said in a press release."We've discovered a new technique of using ultraviolet light to search for young, low-mass stars near the Earth," said David Rodriguez, a graduate student of astronomy at University of Californian, Los Angeles. "These young stars make excellent targets for future direct imaging of exoplanets."Young stars, like human children, tend to be a bit unruly -- they spout a greater proportion of energetic X-rays and ultraviolet light than more mature stars. In some cases, X-ray surveys can pick out these youngsters due to the "racket" they cause. However, many smaller, less "noisy" baby stars perfect for exoplanet imaging studies have gone undetected except in the most detailed X-ray surveys. To date, such surveys have covered only a small percentage of the sky, according to JPL in Pasadena, Los Angeles.Rodriguez and his team figured that the GEE, which has scanned about three-quarters of the sky in ultraviolet light, could fill this gap.Astronomers compared readings from the telescope with optical and infrared data to look for the telltale signature of rambunctious junior stars. Follow-up observations of 24 candidates identified in this manner determined that 17 of the stars showed clear signs of youth, validating the team's approach, JPL said."The Galaxy Evolution Explorer can readily select young, low- mass stars that are too faint to turn up in all-sky X-ray surveys, which makes the telescope an incredibly useful tool," Rodriguez said in the release.

CHIAYI, Feb. 26 (Xinhua) -- Chen Yunlin, the Chinese mainland chief negotiator with Taiwan, discussed cooperation prospects on Friday with fishermen and farmers in Chiayi in southern Taiwan.Chen, president of the mainland's Association for Relations Across the Taiwan Straits (ARATS), led a 50-member delegation and spoke at a seminar attended by more than 70 business people from both the mainland and Taiwan.He said small and medium-sized enterprises on both sides "played an important role in cross-Strait economic development, employment and in maintaining social stability.""Small- and medium-sized businesses are an important part of cross-Strait economic exchanges," he said, adding that among the more than 80,000 Taiwanese enterprises investing on the mainland, over 50 percent are small and medium-sized companies.Chen said that efforts should be made to enhance cooperation between small and medium-sized enterprises on the mainland and those in central and southern Taiwan.The mainland delegation arrived in Chiayi from Kaohsiung after investigating the investment environment with local business leaders. They arrived in Taipei on Wednesday at the invitation of Chiang Pin-kung, chairman of Taiwan's Straits Exchange Foundation (SEF). Both the SEF and the ARATS are authorized by the two sides to handle cross-Strait affairs.Chen said that since 2005, the mainland bought a large amount of farm and fishing products from Taiwan, which greatly boosted sales of Taiwanese products."Many renowned mainland distribution firms are present here at the seminar to seek cooperation opportunities with Taiwan's farmers and fishermen so that the sale of Taiwanese products on the mainland could increase steadily," he said.Chiang said the farming and fishing industries were the most important sectors in southern Taiwan.He added that the tax-reduction plan of the cross-Strait Economic Cooperation Framework Agreement's (ECFA) "early harvest" program, which took effect on January 1, covered 13 categories for farming products and five categories for fishing goods. Chiang said the plan was an opportunity for the industry to expand its exports to the mainland.He noted that the "early harvest" program's duty exemption also covered sectors like textiles, machinery components, and "all related to small- and medium-sized enterprises."Chiang said Friday's seminar was meant to promote cooperation between smaller businesses across the Strait, to deepen the effect of the ECFA to benefit both sides.The mainland delegation will continue its trip in southern Taiwan and return to Taipei late Saturday. They will visit Taipei's Neihu Industrial Park on Sunday before leaving the island on Monday.