Thursday, November 09, 2006

The Earth


As an astronomer I tend to spend a lot of time looking upwards and outwards at some of the most incredible and powerful events in the Universe. So much so that I often forget just how amazing the Earth can be, the BBC News website tends to have a different interesting science picture everyday, sort of a Science Pic of the Day if you will, todays picture is a perfect reminder of just how incredible things can be on Earth.

It shows an area of Namibia called the Brandberg Massif, the whole thing is a single lump of granite which punched its way through the Earths crust 120 million years ago during the break up of the Gondwana supercontinent. The dark ring around the massif is caused by the rocks that were pushed out of the way as it broke the surface.

That something that size (it covers 650 square km) can push its way through the Earth crust just shows the immense pressures and energies still bound up in our active seemingly benign little ball of rock.

8 comments:

craig said...

Cool. The earth has warts

Mark Norris said...

Indeed, just wait till I get onto the Moon and its gas.

jps said...

very cool

Hugh said...

Next time I'm out there, I'll go and see it.

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