Full Moon. The Moon appears full when it is on the opposite side of the Earth from the Sun during its orbit, when it presents its full sunlit face to Earth. The lunar hemisphere that faces Earth has bright highlands and dark seas, or maria, which are lowland plains full of dark solidified lava. Several large, bright craters are also seen. At lower centre is Tycho, whose rays of ejected material cover much of the hemisphere. At centre left is bright Copernicus with the slightly fainter Kepler just left and below it. Photographed from California, USA, on 2 March 2007.
© JOHN SANFORD/SCIENCE PHOTO LIBRARY
Anti-proton experiment, Berkeley, 1955
Anti-proton experiment. Blackboard showing the provisional results and calculations for a series of experiments carried out in 1955 at the Berkeley Radiation Laboratory to discover the antiproton. Antiprotons were made by firing protons at a copper target in an early particle accelerator. This discovery of the antiproton by physicists Emilio Segre and Owen Chamberlain (together with a separate set of experiments by another group in 1956), confirmed Dirac's prediction of antimatter. Segre and Chamberlain were awarded the 1959 Nobel Prize in Physics for the discovery. Photographed on 6 October 1955, at the University of California, Berkeley, USA.
© LIBRARY OF CONGRESS/SCIENCE PHOTO LIBRARY
TOM-1648 Sea Otters - mother with young pup with "natal pelage"
Sea Otters - mother with young pup with "natal pelage"
Monterey Bay - USA
Tom & Pat Leeson
Please note that prints are for personal display purposes only and may not be reproduced in any way.
© Tom and Pat Leeson/ardea.com
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