A new giant was born recently in the coastal waters of Antarctica. A series of images captured from May through the beginning of this month by ESA`s Envisat satellite shows the subsequent duel between the new iceberg and another as it breaks free of the Ross Ice Shelf and tries to move north.
Christened C-19 by the US National Ice Centre in Maryland, the new iceberg measured 200 x 32 km, and about 200 m thick.
As seen in the accompanying animation of images acquired by Envisat’s Advanced Synthetic Aperture Radar (ASAR) from 3 May through 7 October, C-19 jostles for position with an older iceberg, B-15a, resting aground in shallow water off Ross Island. C-19 scrapes along the side of B-15a and, failing to move its firmly anchored adversary, finally heads off into open sea and an eventual demise in warmer waters.
Henri Laur | EurekAlert!
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The formation of stars in distant galaxies is still largely unexplored. For the first time, astron-omers at the University of Geneva have now been able to closely observe a star system six billion light-years away. In doing so, they are confirming earlier simulations made by the University of Zurich. One special effect is made possible by the multiple reflections of images that run through the cosmos like a snake.
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Just because someone is smart and well-motivated doesn't mean he or she can learn the visual skills needed to excel at tasks like matching fingerprints, interpreting medical X-rays, keeping track of aircraft on radar displays or forensic face matching.
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