ELI5: Explain Like I'm 5

Volcanism on Mars

Volcanoes on Mars are like hot bubbly water in a bathtub, but on a much larger scale! Mars is a planet like Earth, but it's much colder and drier. Even though it's not as active as Earth, Mars still has volcanoes that can erupt and cause hot lava to flow out.

The inside of Mars is different from Earth's. Mars doesn't have tectonic plates that move around and create earthquakes and volcanoes like on our planet. Instead, Mars has hotspots where magma (molten rock) rises up from deep inside the planet and creates a volcano.

When the magma rises to the surface, it can escape as lava and create big, rocky mountains on the planet's surface. These mountains are called volcanoes, and they can be huge! Some of the largest volcanoes on Mars are more than twice as tall as Mount Everest, which is the tallest mountain on Earth!

Scientists have found evidence of lots of volcanic activity on Mars, and some of the volcanoes look like they might have erupted recently, which means they could still be active. Volcanoes on Mars can be dangerous, just like on Earth, because their eruptions can cause damage and changes to the planet's atmosphere.

One of the interesting things about volcanism on Mars is that it can help scientists learn more about the planet's history. By studying the types of rocks and minerals that form during volcanic eruptions, scientists can figure out what kind of conditions were present on Mars long ago. This can help us understand how the planet has changed over time and whether or not it might have had the right conditions to support life at some point in the past.