Science: New Image for Mars

Man's old dream about life on Mars seemed to fade for good in 1965 when the first closeup pictures of the red planet were radioed back to earth by the U.S. spacecraft Mariner 4. The photographs revealed a barren planet that looked as dead as the moon. Lately, this view of Mars has been radically revised. Contrary to the first photographic impression, U.S. scientists told an international space conference in Madrid last week, Mars is still undergoing sharp climatic changes. Violent geological activity has left scars all across its crust and, most significant, there may be enough water on its surface...

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