ASTRONAUGHTY

Neptune has supersonic winds. So don't rely on your hair gel there

✓ TRUE FACT
Neptune’s fastest winds can reach around 2,000+ km/h (over 500 m/s). That exceeds the speed of sound in Earth’s air (~343 m/s), hence “supersonic” as a comparison point.

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Neptune has supersonic winds. So don't rely on your hair gel there | SmartAss Facts