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Nature 447, 620-621 (7 June 2007) | doi:10.1038/447620a; Published online 6 June 2007

Open Innovation Challenges

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NASA explores scope for far-flung fix

Geoff Brumfiel

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Will it be possible to service the James Webb Space Telescope?

Researchers credit servicing missions involving astronauts with rescuing the Hubble Space Telescope and keeping it alive for the past 17 years. But an idea to create a similar, if simpler, capability for Hubble's successor is raising eyebrows among project scientists, who fear it will be impractical and expensive.