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The “Black Widow” pulsar is moving through the galaxy at a speed of almost a million kilometers per hour. A bow shock wave due to this motion is visible to optical telescopes, shown in this image as the greenish crescent shape. The pressure behind the bow shock creates a second shock wave that sweeps the cloud of high-energy particles back from the pulsar to form the cocoon.

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A new technique uses the sun and moon as backgrounds to capture visuals of supersonic shock waves as a crazy-fast jet breaks the sound barrier.

Shock Waves: Powerful Urban Paintings by Shaka | Inspiration Grid | Design Inspiration

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