Gas

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Articles about Gas

1,386 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
What Is a Supermassive Black Hole?
Space science

What Is a Supermassive Black Hole?

Supermassive black holes contain millions to billions of times the Sun's mass and are found at the centers of many large galaxies. Their enormous mass distinguishes them…

September 11, 2026
What Are Exoplanets?
Space science

What Are Exoplanets?

Exoplanets are planets beyond our solar system. They range from small rocky worlds to giant planets and can orbit stars very different from the Sun.

September 10, 2026