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Sonic Boom Meets Sun Dog Slow Mo Short

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Uploaded by on Feb 16, 2010

Solar Dynamics Observatory Launch, Feb 11, 2010 HD SHORT VERSION WITH SLOW MOTION A sun dog is a prismatic bright spot in the sky caused by sun shining through ice crystals. The Atlas V rocket exceeded the speed of sound in this layer of ice crystals, making the shock wave visible from the ground. The announcer can be heard in the video saying, "The vehicle is now supersonic."

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  • HOT physics ! ( :

  • do you think people give a fuck enough to launch a rocket just to fake the footage?

    besides, it's not like you've ever witnessed this happen before

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All Comments (45)

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  • what is it ?!!! Very nice !

  • NICE!!

  • yo! look at the very tip of the rocket...thats where the sound barrier kicks in

  • @Noscaasi88 I've seen it, The reason it only appears to happen right when the rocket reaches the speed of sound is because the thin Ice particle layer was at the same altitude at the time. Even if it wasn't passed the speed of sound, This effect would still occur. The exhaust is exiting out of each engine at many times the speed of sound and the expansion of the hot gases create the successive shock waves. if you were 100 feet away from this rocket while ignition, the sound waves would kill you

  • @Helicopterpilot16 Go to the video creators channel and watch the full version and you'll see that the shock waves only appear when it reaches the speed of sound. it was flying for over a miniute before with nothing. Im not an expert but it seems pretty obvious to me that its caused by the sonic boom.

  • @Noscaasi88 Yes, it does pass the speed of sound but if the cause of the visible waves were due to the super sonic shock wave there would only be one or two waves. and the waves here continue even after the rocket has passed through. The SRB's attached to this rocket emit successive shock waves rather than just the single wave. You are able to hear every one of them on this video.

  • Good stuff..

  • @Helicopterpilot16 Watch the tip of the rocket, you can see its going through the sound barrier.

  • I thought this was pretty awesome !

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