What was Norway's spiral anomaly? (video)

What is this mysterious spiral anomaly in the Norwegian sky?

(Science Channel, 6/3/15) Scientists still have no explanation for the strange spiral lights that once appeared in Norway's morning sky, which was witnessed by thousands and filmed as far away as Sweden.

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Social media videos capture SpaceX streaking across California skies

(Guardian News, 12/23/17) A reused SpaceX rocket carried ten satellites into orbit from California on Friday, leaving behind a spectacular trail as it soared into space [lower earth orbit]. It lifted off from Vandenberg Air Force Base, carrying the latest batch of satellites for Iridium Communications. The trail was widely seen throughout Southern California and as far away as Phoenix, Arizona. SpaceX has made four launches so far and expects to make several more by mid-2018 SpaceX rocket dazzles in California sky as it transports ten satellites into space ► theguardian.com/science/2... Donate to the Guardian and Observer charity appeal ► guardian.charitiestrust.org...