Day: June 30, 2011

Severe Space Weather

This article, from the NASA news service, is a further item related to the topic of the impact of the Sun on Earth addressed in the ‘Astronomy news’ section of the newsletter.  It is followed by a commentary on this issue from Steve Kleyn.

NASA visits Hermanus

From left to right: Dr Jeff Hoffman, Dr Robert Williams, Dr Gordon McCloud, Prof. Charles McGruder   NASA ASTRONAUT GIVES PUBLIC LECTURES TO PROMOTE ASTRONOMY AND SUPPORT FOR THE SQUARE KILOMETRE ARRAY BID An astronaut from the United States National Aeronautics and Space Administration (NASA)held public lectures during a visit to Hermanus on 13 November …

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Definitive evidence for ancient lake on Mars found

This is reconstructed landscape showing the Shalbatana Lake on Mars as it may have looked roughly 3,4 billion years ago. Data used in reconstruction are from Nasa and the European Space Agency. Image credit: G Di Achille/University of Colorado Researchers have discovered the first definitive evidence of shorelines on Mars, an indication of a deep, …

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Instant Expert: Quantum World

11:18 04 September 2006 by Maggie McKee (Reproduced here by kind permission of New Scientist magazine) If successful scientific theories can be thought of as cures for stubborn problems, quantum physics was the wonder drug of the 20th century. It successfully explained phenomena such as radioactivity and antimatter, and no other theory can match its …

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