Man captures circular rainbow while skydiving

British adventurer Anthony Killeen captured the incredibly rare sight of a stunning circular rainbow while he was skydiving with his instructor over New Zealand's Bay of Islands. Rainbows are all circular in theory,

British adventurer Anthony Killeen captured the incredibly rare sight of a stunning circular rainbow while he was skydiving with his instructor over New Zealand's Bay of Islands. Rainbows are all circular in theory, but are usually only half-visible from ground level. To see the full circle requires the observer to take an extreme vantage point, so the sunlight illuminating water particles will be both below and above them, lighting up a circle rather than the normal arc seen from ground level. "All the instructors said they hadn't seen that before either - some had seen it from the plane, but never whilst diving." (Photo: CFP)

British adventurer Anthony Killeen captured the incredibly rare sight of a stunning circular rainbow while he was skydiving with his instructor over New Zealand's Bay of Islands. Rainbows are all circular in theory, but are usually only half-visible from ground level. To see the full circle requires the observer to take an extreme vantage point, so the sunlight illuminating water particles will be both below and above them, lighting up a circle rather than the normal arc seen from ground level. "All the instructors said they hadn't seen that before either - some had seen it from the plane, but never whilst diving." (Photo: CFP)

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