Windows to the Universe

At sea level, the atmosphere exerts pressure on Earth at a force of 14.7 pounds per square inch.
Courtesy of the FAA

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At sea level, the atmosphere exerts pressure on Earth at a force of 14.7 pounds per square inch. Courtesy of the FAA

At sea level, the atmosphere exerts pressure on Earth at a force of 14.7 pounds per square inch. Courtesy of the FAA

At sea level, the atmosphere exerts pressure on Earth at a force of 14.7 pounds per square inch. Courtesy of the FAA

At sea level, the atmosphere exerts pressure on Earth at a force of 14.7 pounds per square inch.
Courtesy of the FAA

At sea level, the atmosphere exerts pressure on Earth at a force of 14.7 pounds per square inch.
Courtesy of the FAA

At sea level, the atmosphere exerts pressure on Earth at a force of 14.7 pounds per square inch.
Courtesy of the FAA