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June 20, 2005 3:00 AM

Scientists give NASA their wish list for the next 30 years

At NASAs request, scientists have given the space agency a detailed wish list of missions they hope to see conducted over the next 30 years. The proposals range from something as down to earth as a satellite to measure all the rain that falls on our world to a far-out mission looking back to the dawn of time. That venture would send a spaceship named the Big Bang Observer to study the explosion that astronomers believe gave birth to the universe 13.7 billion years ago. The goal is to determine what powered the big bang and how the universe began and evolved, said Paul Hertz, a senior scientist in NASAs Office of Space Science. Another deep-space mission would use a solar sail, propelled only by light rays from the sun, to explore interstellar space beyond our solar system.

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