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Solar eclipses rock the atmosphere.
Specifically, NASA says more than 800 students observing the April 2024 solar eclipse over North America found that the Earth’s ionosphere rises as the Moon blocks the Sun, then returns to normal as it moves on, creating “atmospheric gravity waves.”
They figured that out by bouncing high-frequency radio waves off the ionosphere, according to NASA’s blog post detailing early results of experiments from that day.
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