Author: Royal Observatory Greenwich
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Astronomical and Magnetical and Meteorological Observations Made at the Royal Observatory, Greenwich, in the Year
Royal Observatory GreenwichCurrent price €35.63Original price €41.92Current price €35.63Original price €41.92Save 15% -
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About Time Too: A Miscellany of Time
Royal Observatory GreenwichCurrent price €16.28Original price €18.50How old is Earth? Can we look back in time? How long is a light year? How short is a femtosecond? What is Greenwich Mean Time? How did astronauts t...
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