Pressure

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Articles about Pressure

822 published items.

How Do Volcanoes Erupt?
Environment

How Do Volcanoes Erupt?

Volcanoes erupt when magma and gases move from depth toward Earth's surface and pressure overcomes the strength of surrounding rock. The style of eruption depends on mag…

September 11, 2026
How heavy is the Earth's atmosphere?
Discover science

How heavy is the Earth's atmosphere?

Researchers calculate that Earth's atmosphere weighs about 5.15 x 10^18 kg, nearly a billion times more than the Great Pyramid of Giza.

December 27, 2024