"Mysterious Circular Cloud Holes Over Florida: Unraveling the Cause"
NASA's Terra satellite captured stunning images of circular holes, known as fallstreak holes or hole-punch clouds, above the Gulf of Mexico off Florida's west coast. These rare occurrences, previously linked to UFOs, are actually created by airplanes flying through altocumulus clouds, causing the surrounding water vapor to freeze and form wispy strands of cloud. Scientists have only recently discovered the cause of these holes, which can slightly increase precipitation in areas surrounding airports but pose no threat to people on the ground.