#atmosphericoptics

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jonshock (37)in #sundog • 8 years ago
When your crystals are like plates, you get sundogs
In the last post ( we saw how a 22 degree solar halo was created from hexagonal column crystals of ice. These crystals…
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jonshock (37)in #solarhalo • 8 years ago
The beauty of the 22 degree solar halo
(taken by me back in 2008) A photon is produced in a fusion reaction at the centre of the sun a million years ago.…
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jonshock (37)in #atmosphericoptics • 8 years ago
The green flash - legend and reality
Legend has it that just as the sun sets, if the conditions are perfect, then you will see a brilliant flash of green.…
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