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Comet ISON: just HOW bright?
Comet Hale-Bopp over Croatia in March 1997, by Philipp Salzgeber via Wikimedia Commons Over the New Year, I read in the Daily Telegraph that we could expect to see two comets during 2013: the first,...
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Enhydro agate – a secret water chamber
This little lump of greyish stone has something very unusual and interesting in its core: a bubble containing water that has been trapped within the rock, maybe for as long as 200 million years. The...
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Explorers of the Royal Scottish Geographical Society
If you’re a follower of The Hazel Tree, you might remember my post back in March about my work for the Royal Scottish Geographical Society. The Society’s headquarters in Perth Ever since it was founded...
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More Pages to Explore .....
