The Tonga Volcanic Eruption Was So Powerful It Sent Ripples Out Into Space

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The ongoing volcanic eruption in Tonga began in December 2021, but it wasn't until 5:15 pm local time on January 15, 2022, that the powerful explosion occurred.

Such waves do not just travel horizontally, they also propagate upwards to some of the very highest parts of our planet's atmosphere – the ionosphere.

Ionization in the atmosphere occurs due to exposure of ultraviolet radiation from the Sun, high-energy particlesBut given that oppositely charged particles exert an attractive force on each other, like a magnet sticking to a fridge door, ions and electrons also tend to recombine, once again producing neutral molecules.

 

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