Hydraulic Jump (IMAGE)

Penn State

Hydraulic Jump

Caption

The supernova shock front, the abrupt transition between the supersonic explosion and the gas surrounding the exploding star, is similar to transition in a "hydraulic jump," where a high-speed stream of water hitting s surface flows smoothly outwards and then abruptly jumps in height and becomes turbulent.

Credit

James Kilfiger, Wikimedia Commons

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