last updated: Friday 25 September 2009, 09:40am

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Nasa finds ice on moon

International space missions have found ice on the moon and more evidence of ice on Mars.

Nasa claimed it found water molecules all over the moon's surface.

The Agency's director of Planetary Science Jim Green said: 'Water ice on the moon has been something of a holy grail for lunar scientists for a very long time.'

But experts were keen to emphasise that the water on the moon is not the kind of water we have here on earth.

Carle Pieters of Brown University said: 'Water on the moon means molecules of water that interact with molecules of rock and dust specifically in the top millimetres of the moon's surface.'

Planetary scientists have also seen what could be the shores of giant rivers and seas on Mars.

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