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av Lawrence M. Krauss |
295 kr
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World authorities on the history of astronomy - David Devorkin and Robert Smith - reveal Hubble as an unparalleled engineering accomplishment that documents the solar system's w…
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114 kr
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What warps when youre traveling at warp speed? What is the difference between a wormhole and a black hole? Are time loops really possible, and can I kill my grandmother before I…
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