Most meteorites, other than the ones known to come from the Moon or Mars, are relics from the formation of the solar system.

与来自月球或是火星的陨星不同的是，这里的陨星是来自太阳系形成的遗骸。

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The moon, for instance, is believed to have formed from debris stirred up by a Mars-size object careening into our young planet.

的碰撞。例如月亮被认为形成于火星大小的星体急速撞向我们年轻的地球时产生的碎片。

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So, if we're going to go to the moon, we're going to go to Mars, we want to be able to produce oxygen, structural metals and photovoltaic materials from in situ resources.

如果我们要去月球上，我们要去火星上，我们则必须要制造，氧气，结构金属和光电材料，就在原地制造。

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Is it something you'd like to do or is it going to suffer from budget cuts to pay for missions to the moon and further to Mars?

NPR: Revisiting the Viking Missions to Mars

Experience gained from new journeys to the Moon would be used in "human missions to Mars and to worlds beyond", the president said.

BBC: NEWS | Science/Nature | Bush unveils Moon and Mars plans

When Dr Hooke asked the International Standards Organisation committee that assigns country codes about establishing codes for the moon and Mars, he was told that he would need to provide a letter from the relevant sovereign representative.

ECONOMIST: An interplanetary Internet: The wire of the worlds | The