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Ariel 4, an ionospheric research satellite, was launched?
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Ariel 4, an ionospheric research satellite, was launched?
Ariel 4, an ionospheric research satellite, was launched on 11 December 1971 and burned up on 12 December 1978
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Media ID 13097004
© The Royal Aeronautical Society (National Aerospace Library)/Mary Evans Picture Library
1971 1978 Ariel Burned Launched Research Satellite Aeronautics December
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Ariel 4: A Pioneering Journey Through the Ionosphere (December 11, 1971 - December 12, 1978) This evocative image captures the moment of liftoff for Ariel 4, an ionospheric research satellite that embarked on a groundbreaking mission to explore the mysterious ionosphere. Launched on December 11, 1971, atop a powerful rocket, Ariel 4 soared into the sky, leaving a trail of smoke in its wake. The satellite, a product of the UK's Science Research Council and the National Physical Laboratory, was designed to study the ionosphere, a region of the Earth's upper atmosphere that plays a crucial role in radio communication and navigation. The ionosphere is a complex and dynamic environment, characterized by the presence of charged particles that can significantly affect the propagation of radio waves. Ariel 4 was equipped with a suite of advanced scientific instruments, including a magnetometer, a plasma analyzer, and a Langmuir probe, which allowed scientists to gather detailed information about the structure, composition, and behavior of the ionosphere. During its seven-year mission, Ariel 4 provided invaluable insights into the ionosphere, contributing to our understanding of its complex dynamics and helping to improve the accuracy of radio communication and navigation systems. However, on December 12, 1978, the satellite, which had exceeded its intended lifespan, re-entered the Earth's atmosphere and burned up, marking the end of an era in ionospheric research. This image serves as a reminder of the pioneering spirit of scientific exploration and the awe-inspiring power of human ingenuity and innovation.
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