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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.
Originally posted by Ear-Responsible
Norway spiral anyone..
Originally posted by Chonx
My problem is this. The effect happened quite a while after the rocket launched. Would the rocket not have already accelerated way past the speed of sound by this point if you consider the velocity it actually needs to attain?