Search found 3 matches

by Wailhound
Wed Feb 24, 2010 3:57 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Exceptional Rocket Waves Destroy Sun Dog (2010 Feb 23)
Replies: 65
Views: 17493

Re: APOD: Exceptional Rocket Waves Destroy Sun Dog (2010 Feb

Here's a great video of the launch.... you HAVE to check this out:
Click to play embedded YouTube video.
Note the speed... and note that the sky continues to ripple in a circular pattern, AFTER the rocket has passed....
by Wailhound
Tue Feb 23, 2010 5:18 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Exceptional Rocket Waves Destroy Sun Dog (2010 Feb 23)
Replies: 65
Views: 17493

Re: APOD: Exceptional Rocket Waves Destroy Sun Dog (2010 Feb

I think these visible white rings are "rings of eddies" As the bow shock of the missile passes through levels of relatively different pressure/humidity, these eddy rings form as a result. As a snowball gains substance by rolling down a hill, this mass of air pushed along by the rocket gain...