The Mars 500 mission, a simulated mission to the Red Planet in a mock spaceship, will carry out a Mars walk.

在模拟飞船中飞到红色星球的火星500任务，将进行火星行走任务。

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From 3 June, the Mars 500 project will send a "crew" of six on a simulated 520-day round trip to the Red Planet and back.

从6月3日起，火星500计划将派遣6名“船员”进行一场环游红色星球并返回的520天模拟旅行。

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Such an initiative would build on Mars-500, a joint Russian-European project that saw six human volunteers confined in a capsule in Moscow for 120 days earlier this year to simulate a Mars mission.

该计划是俄罗斯与欧洲联合进行的“火星500”计划。今年初，6名人类志愿者在莫斯科一个太空舱里待了4个月，以模拟在火星上执行任务的情景。

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The Mars-500 mission at Moscow's Institute of Biomedical Problems will test the psychological and physical effects of long-term isolation on humans.

VOA: standard.2010.06.02

Mars-500 is the third in a series of interplanetary flight simulations.

VOA: standard.2010.06.02

Rather than punching in wells immediately, BP bought a share of two Shell projects, Ursa and Mars, which turned out to hold some 500 million barrels apiece.

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The new images -- taken over several years -- reveal the channels which were carved out by flooding over an estimated 500 million year period -- a time when Mars was thought to be cold and arid.

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Between 500, 000 to 1 million large asteroids near are near Earth and Mars.

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