Residents in parts of central and eastern Pennsylvania will get an opportunity on Wednesday night to catch a peek at the vapors from several rockets launching from NASA’s Wallops Island Flight Facility in Virginia.

Tonight’s launch window will open at 10:30 p.m. and last through 3:30 a.m. Thursday, NASA said. This will be the latest of several attempts by the space agency, which had to scrub earlier ones due to weather conditions.

Called the Turbulent Oxygen Mixing Experiment Plus, or TOMEX+, it’s a NASA sounding rocket mission that will investigate the mesopause, one of Earth’s most turbulent atmospheric regions. The mesopause is a region of the upper atmosphere that stretches from about 53 to 65 miles (85 to 105 kilometers) in altitude, at the boundary between Earth’s mesosphere an

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