Picture credits

26 - Margaret J. Geller, John P. Huchra, Luis A. N. da Costa, and Emilio E. Falco, Smithsonian Astrophysical Observatory copyright 1994 23 & 22 - Ray White, Space Telescope Science Institute 21 - ESA 20 - David Malin, Anglo Australian Observatory & Royal Observatory Edinburgh 12 - NASA 8 & 7 - Science Photo Library (Earth), NASA (other planets) 6 & 5 - Geosat -5 & -6 - Dr Graham Thomas, Department of Biology, The Pennsylvania State University, USA -8 - Glaxo Institute of Molecular Biology, Switzerland All other images credit CERN

Start