Sunday, June 22, 2014
Space-time structure exhibiting closed paths in space (horizontal) and time (vertical). A quantum particle travels through a wormhole back in time and returns to the same location in space and time. Credit: Martin Ringbauer
Artist’s conception of a protoplanetary disc. (Credit: University of Copenhagen/Lars Buchhave)
At left: Illustration showing the 2.5 watt OPALS laser beaming video to Earth. At right, the laser beam arrives from the ISS as seen on the computer monitor at Table Mountain Observatory. (Credit: NASA)
M.C. Escher works © Cordon Art-Baarn-the Netherlands.
A field snapshot in June. Reds are strong; blues are weak. The view is dominated by the core contribution