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Book Review

Nature 403, 248 (20 January 2000) | doi:10.1038/35002199

Open Innovation Challenges

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Quasars, nebulae, and more

With the Hubble telescope quasars can be imaged in great detail, such as quasar IRAS 04505–2958, some 3 billion light years away, shown here. The image comes from Deep Space: New Pictures From the Hubble Space Telescope (Constable, £16.