This is quite something -- a vast crack that opened up on the floating section of the Pine Island Glacier, Antarctica. Somewhat larger than your average crevasse, this was the precursor to a major calving event........
The crack was at least 25 km long, and was first observed in 2011. The calving event finally took place between Oct 28th and Nov 13th 2013, when Iceberg B-31 was born. It is 35 km x 20 km in extent -- ie roughly the size of Singapore.
This is a satellite image of the same crack:
How much do we know about Stonehenge? Less than we think. And what has Stonehenge got to do with the Ice Age? More than we might think. This blog is mostly devoted to the problems of where the Stonehenge bluestones came from, and how they got from their source areas to the monument. Now and then I will muse on related Stonehenge topics which have an Ice Age dimension...
THE BOOK
Some of the ideas discussed in this blog are published in my new book called "The Stonehenge Bluestones" -- available by post and through good bookshops everywhere. Bad bookshops might not have it....
To order, click HERE
Some of the ideas discussed in this blog are published in my new book called "The Stonehenge Bluestones" -- available by post and through good bookshops everywhere. Bad bookshops might not have it....
To order, click HERE
1 comment:
Space satellite "Sentinels" launched - good as regards global warming monitoring?
http://www.bbc.co.uk/news/science_and_environment_26875544
EU launches flagship space project 04.04.14
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