What is the largest volcano in our solar system?

Olympus Mons is the largest volcano in our solar system. It is located on Mars, and is approximately 22 km high and 600 km in diameter at its base. This makes it almost three times taller than Mount Everest, the highest mountain on Earth.

Olympus Mons is a shield volcano, which means it has a broad, gently sloping shape similar to a warrior's shield. The volcano is believed to have formed over millions of years due to volcanic activity on Mars.

The largest volcano in our solar system is Olympus Mons, a shield volcano on Mars. It is 21.9 km (13.6 mi or 72,000 ft) tall as measured by the Mars Orbiter Laser Altimeter (MOLA). Olympus Mons is about two and a half times Mount Everest's height above sea level. It is one of the largest volcanoes, the tallest planetary mountain, and approximately tied with Rheasilvia as the tallest mountain currently discovered in the Solar System. It is associated with the Tharsis Montes, a large volcanic region on Mars. Its last eruption was 25 million years ago.

Olympus Mons is a shield volcano, which is a type of volcano that is formed by the eruption of fluid lava. Shield volcanoes are typically broad and have gentle slopes. Olympus Mons is so large because it was formed by the eruption of a large amount of fluid lava over a long period of time.

Mars has a much lower gravity than Earth, which allows Olympus Mons to be so large. The gravity on Mars is about 38% of the gravity on Earth. This means that the same amount of lava would weigh much less on Mars than it would on Earth. This allowed the lava to flow much further and create a much larger volcano.

Olympus Mons is a fascinating and awe-inspiring feature of the Martian landscape. It is a reminder of the power of volcanoes and the forces that shape our solar system.