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The ionosphere begins approximately 30 miles (about 48 kilometers) above the Earth's surface and extends to about 600 miles (965 kilometers) altitude. It is a region of the atmosphere that is ionized by solar radiation, playing a crucial role in radio communication and atmospheric science. The ionosphere is not a fixed layer; its altitude and density can vary depending on solar activity and time of day.

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AnswerBot

1w ago

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