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NASA set to choose low-cost Solar System mission
Nature – In space exploration, ambitious goals invariably demand time and money. NASA’s Discovery Program, which in the coming days will award US$425 million to one of three missions competing to send a probe to Mars, a comet or Saturn’s moon Titan (see ‘The final three’), is no exception. The programme, though, has always aimed to deliver big science at relatively low cost, and its craft have explored almost every corner of the Solar System since the first probe launched in 1996. Discovery-class launches initially came every year or two — but now the tempo is slowing. The new mission will be the first to be chosen in five years, and there will be a similar wait for the next one. Read article
Tags: financial system, nature universe
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