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Published on Jun 1, 2012
Transit of Venus on 8 June 2004 as seen by the Swedish 1-m Solar Telescope (SST) on La Palma. The edge of Venus is seen as it leaves the solar disk - the egress. The video is shown about 60 times faster than in real life. The atmosphere of Venus shines as a thin arc - an aureole- as sunlight from behind is refracted and scattered. The sudden blurring and apparent rapid movements of the aureole is due to turbulence in the Earth's atmosphere that deforms the image. Credit: The Royal Swedish Academy of Sciences/Dan Kiselman