Tuesday 11 April 2017

'Cold' great spot discovered on Jupiter

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A Great Cold Spot comparable in scale to Jupiter's famous Great Red Spot (24,000 km west-east and 12,000 km north-south) has been found on the planet. The phenomenon, only recently observed, may have existed for thousands of years, however, this is the first direct evidence of a sustained weather system generated by polar aurorae and opens possibility on other planets.
via Science Daily
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Man, Dog, Sun

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This was supposed to be a shot of trees in front of a setting Sun. Sometimes, though, the unexpected can be photogenic. During some planning shots, a man walking his dog unexpected crossed the ridge. The result was so striking that, after cropping, it became the main shot. The reason the Sun appears so large is that the image was taken from about a kilometer away through a telephoto lens. Scattering of blue light by the Earth's atmosphere makes the bottom of the Sun appear slightly more red that the top. Also, if you look closely at the Sun, just above the man's head, a large group of sunspots is visible. The image was taken just last week in Bad Mergentheim, Germany.

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Graphene, electricity used to change stem cells for nerve regrowth

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Scientists are combining their expertise to change stem cells for nerve regrowth.
via Science Daily