| | Patricia Evans spotted this hole-punch cloud in 2015 from a restaurant parking lot. | | |
Good morning! What are hole-punch clouds? | | Ever seen one of these? People sometimes report them as UFOs. They're called hole-punch clouds, and jets make 'em. The connection between hole-punch clouds, jets and snowfall, here. Read more. | | |
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Astronomers spy 4 giant planets orbiting a young star | | Finding 4 giant planets orbiting another star isn't too unusual these days. But these massive planets are the largest known to orbit such a young star - CI Tau - only 2 million years old. Read more. Artist's concept of 4 giant planets orbiting the star CI Tau, via Amanda Smith/Institute of Astronomy. | | |