OT: STS-123 Tuesday Morning - The Official Forum

#9 (permalink)

Sun Mar 16, 2008, 11:01am

BillyMac

Esteemed Forum Member

Join Date: Aug 2005

Location: Connecticut

Posts: 23,410

It's Rocket Science ...

Titusville: 12 miles from launch site.

12 miles x 5280 feet/mile / 1130 feet/sec (speed of sound in dry air at room temperature) = 56 seconds

12 miles / 186,000 miles/sec (speed of light in air) = 0.00006 seconds

All calculations no more than three significant figures.

Observers in Titusville will "see" the launch 0.00006 seconds after it occurs. They will "hear" the launch 56 seconds after it occurs.

tjones1: Where was your observation area? Did you observe this light vs. sound phenomena?

Last edited by BillyMac; Sun Mar 16, 2008 at 11:05am.

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