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Continue Learning about Astronomy

Does the planet Mercury have the highest surface temp?

No. Venus does (greenhouse effect).


Who made the altimeter?

The modern altimeter was invented by Jean Pierre Blanchard, a French aeronaut and inventor, in the late 18th century. He developed the device to measure altitude in hot air balloons.


What is a sentence using the word altimeter?

The pilot checked the altimeter to be sure the plane had reached the optimum altitude before the skydivers were allowed to jump. Most altimeters have to be set to local air pressure to correctly determine the plane's height above the ground.


How does altimeter measure help pilots?

An altimeter measures an aircraft's altitude by comparing the atmospheric pressure outside the aircraft with a pre-set standard atmospheric pressure. As the aircraft ascends, the outside air pressure decreases, and the altimeter reflects this change in altitude. Accurate altitude readings are crucial for pilots to maintain safe separation from terrain and other aircraft, navigate effectively, and comply with air traffic control instructions. Overall, the altimeter is essential for safe and efficient flight operations.


How did the altimeter come about?

The altimeter was developed as an instrument to measure altitude above a fixed level, typically sea level. It operates based on the principle that air pressure decreases with altitude, providing a way to estimate height. The altimeter has evolved over time from simple barometers to more accurate and reliable instruments used in aviation and outdoor activities.