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发布时间: 2025-06-03 02:09:27北京青年报社官方账号
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BAIKONUR, Kazakhstan, April 5 (Xinhua) -- Russian manned spacecraft Soyuz TMA-21 has been transported to the launch pad and raised to a vertical position, ready to blast off on April 5, Xinhua correspondents reported Saturday from the site.The launch is dedicated to the 50th anniversary of the first flight into space in 1961 carried out by Russian cosmonaut Yuri Gagarin.For hours, journalists and tourists from all over the world had braved a nasty weather and watched the train and trucks delivering the rocket to the pad.Service towers move towards the Soyuz TMA-21 spacecraft, named after the first cosmonaut Yuri Gagarin, as it is set on its launch pad at Baikonur cosmodrome April 2, 2011. The International Space Station (ISS) crew of U.S. astronaut Ronald Garan and crew mates Russian cosmonauts Alexandr Samokutyaev and Andrey Borisenko is due to travel by Soyuz spacecraft to the ISS on April 5.The Soyuz TMA-21 rocket will deliver three crew members to the International Space Station (ISS) on April 5. In a six-month mission, these cosmonauts will carry out over 40 experiments.The Soyuz TMA modification is a replacement of the Soyuz TM as it was equipped with smaller and more efficient computers and improved displays. The Soyuz TMA-21 will also serve as the return vehicle of the ISS crew.

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WINDHOEK, May 21 (Xinhua) -- Top Chinese legislator Wu Bangguo on Saturday met with Namibian President Hifikepunye Pohamba on advancing the bilateral cooperation to further develop the partnership with Namibia.Wu, chairman of the National People's Congress (NPC) Standing Committee, China's top legislative body, extended Chinese President Hu Jintao's greetings to Pohamba and hailed an "all- weather" partnership forged between the two nations.Namibia is one of the youngest states in Africa, which became fully independent in 1990.Wu reviewed the profound friendship between the two countries, which established diplomatic ties one day after Namibia's announcement of its full independence.Wu said the two countries have reaped good harvests in cooperation in the fields of politics, trade, culture, education, public health and culture in recent years, which has already set a model for countries engaged in the South-South cooperation.He also highlighted the mutual understanding and support on issues concerning each other's core interests, and to bring the bilateral economic and trade cooperation to a new high, Wu put forward a three-point proposal concerning the importation of the husbandry and aquatic products, resource and mining as well as the infrastructure construction.Namibia is a nation with significant influence in the southern Africa, Wu said, vowing that China will work with the Namibian side to push the bilateral partnership to a higher level.For his part, Pohamba welcomed Wu's visit, the first one ever paid by a Chinese top legislator, and spoke highly of China's long-standing support for Namibia's national liberation and construction.Namibia will develop the long-term and strategic cooperation in a much broader domain with China and welcomes more Chinese businesses to invest in the country, the Namibian president said.On the China-Afrcia relationship, the two leaders stressed that the two sides should work closer under the framework of the Forum of China-Africa Cooperation to boost political mutual trust, substantial and pragmatic cooperation on trade and humanitarian exchanges, especially those among the young generations, so as to further enrich a new China-Africa partnership.Namibia is the first leg of Wu's 12-day African-Asian tour. He will also visit Angola, South Africa and Maldives.

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FUZHOU, Feb. 5 (Xinhua) -- A minibus rolled over and fell into a reservoir in Shaowu City in southeast China's Fujian Province Friday afternoon, killing 10, local officials said early Saturday morning.Nine people were rescued, and two were still missing.The minibus bound for Shaowu from Yong'an lost control at 5:27 p.m. Friday when the driver apparently tried to avoid a motorbike. It fell into the Qianling Hydropower Station reservoir, according to officials with Nanping city government.About 200 police and rescuers were still looking for the missing people, and the investigation into the accident is underway.

  

You can think of NASA's Discovery program as a sort of outer-space American Idol: every few years the agency invites scientists to propose unmanned planetary missions. The projects have to address some sort of fundamental science question, and (this is the tough part) they have to be relatively cheap to pull off — say, half a billion dollars or so. Then the proposals go through a grueling competition before judges who aren't as nasty as Simon Cowell but who are every bit as tough. The one left standing at the end gets the equivalent of a recording contract: NASA supplies the funding and the launch vehicle, and away the winner goes — to orbit Mercury, as the Messenger spacecraft is doing right now; or to rendezvous with a couple of asteroids, as the Dawn mission will start doing this July; or to smash into a comet on purpose, a feat achieved by Deep Impact in 2005, a mission not to be confused with the movie of the same name. Now it's time for the next contenders. NASA has just announced that the first round of the latest Discovery competition is over, with three entries out of 28 moving on to the finals. They are, in increasing distance from Earth: the Geophysical Monitoring Station (GEMS) lander, which would use seismometers to study the interior of Mars; the Comet Hopper, which would do just that, leaping from place to place across the surface of Comet 46P/Wirtanen to see how different parts of the tumbling body react to heating by the sun; and the Titan Mare Explorer (TiME), which would plop into a sea of liquid hydrocarbons on Saturn's moon Titan — the first oceangoing vessel ever to set sail on another world. If you had to come up with a theme that ties all three missions together, it would be "origins." The Titan explorer, for example, will be studying a place that — in a crude way, at least — resembles the early planet Earth at a time when life arose here. Titan, with a thick atmosphere and a bizarro-world form of weather featuring toxic winds and hydrocarbon rain, is home to a mix of complex chemistry, complete with organic molecules. The oceans provide a medium in which the molecules can move around and interact with each other. It's even conceivable, though clearly a long shot, that some form of microscopic life already exists on this frigid moon. The Mars lander, by contrast, would visit a place where the seas — plain water in this case — vanished long ago. But the mission of GEMS goes far deeper than that. By analyzing Marsquakes on the Red Planet, GEMS will try to get a handle on what the interior of Mars is like. Scientists don't currently know whether the planet's core is liquid, like Earth's, or solid, or some mushy consistency in between. It all depends on how efficiently Mars has cooled since it formed 4.5 billion years ago, and that depends in turn on the planet's internal structure. "That's the mission," says Bruce Banerdt, of NASA's Jet Propulsion Laboratory, the lead scientist for GEMS. "We want to understand how Mars was built." Along with sensitive seismographic equipment, GEMS will drill down about 20 ft. (6 m) with a thermometer-equipped probe, trying to figure out how quickly the temperature rises with depth. "That will let us extrapolate all the way down to the center," Banerdt says, "which will tell us how fast Mars is cooling."

  

BEIJING, Jan. 26 (Xinhua) -- China's top leaders Wednesday evening attended a gala held at the Great Hall of the People to celebrate the coming Chinese lunar new year, which falls on Feb. 3, with armymen and the common people.Chinese President Hu Jintao and other members of the Standing Committee of the Political Bureau of the Communist Party of China (CPC) Central Committee Wu Bangguo, Wen Jiabao, Jia Qinglin, Li Changchun, Xi Jinping, Li Keqiang, He Guoqiang and Zhou Yongkang, watched the artistic performance and extended their festival greetings to the audience.Chinese top leaders Hu Jintao, Wu Bangguo, Wen Jiabao, Jia Qinglin, Li Changchun, Xi Jinping, Li Keqiang, He Guoqiang and Zhou Yongkang pose with performers for a group photo after an evening party welcoming the upcoming Chinese traditional Spring Festival in Beijing, capital of China, Jan. 26, 2011. Military and civilian artists presented various programs at the gala ranging from Peking Opera, chorus to acrobatic shows, which were welcomed and hailed by the audience.

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