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SpaceX launch could create sonic boom in Southern California, officials advise

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A SpaceX launch scheduled on Tuesday morning could create a large sonic boom heard across Southern California, officials advise. 

The Falcon 9 launch of NASA's TRACERS mission, which will take place at Vandenberg Space Force Base's Space Launch Complex 4 East, is scheduled at 11:13 a.m. PDT with an 57-minute long launch window.

"About eight minutes after liftoff, Falcon 9's first stage will land on SpaceX's Landing Zone 4 ... at Vandenberg Space Force Base, California," said a release from SpaceX. "There is the possibility that residents of Santa Barbara, San Luis Obispo, and Ventura counties may hear one or more sonic booms during the landing, but what residents experience will depend on weather and other conditions."

If necessary, a backup launch date is scheduled for Wednesday at the same time. 

, or Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites, is a program that aims to "help understand magnetic reconnection and its effects in Earth's atmosphere," according to NASA's website. Scientists will evaluate how weather in space affects the weather on Earth. 

In May, a sonic boom shook most of Southern California as SpaceX's Dragon spacecraft reentered Earth's atmosphere after a launch nearly a day earlier. 

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