'Jellyfish cloud' soars over California during SpaceX launch
A massive cloud filled the sky over Southern California on Monday evening, taking the shape of a jellyfish with a long tail before slowly dissipating in the night.
People across Los Angeles, San Diego and surrounding areas captured dramatic images of the unusual cloud, which was caused by a SpaceX rocket that blasted off from California's Vandenberg Space Force Base moments earlier.
For rocket-created clouds to appear, conditions must be just right. A launch needs to occur shortly before daybreak or soon after nightfall, when it is dark on the ground. As the rocket ascends into space, it is eventually illuminated by sunlight, resulting in bright clouds that almost appear to glow.
SpaceX rockets are not the only ones that can create the odd-shaped clouds. Similar clouds have been documented by other rockets, including the Space Shuttle, when conditions have been ideal.
Monday evening's SpaceX launch lofted 26 Starlink satellites into orbit around the Earth.
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