Planets & Moons

Uranus isn’t just big, it’s absolutely massive, so massive that about 63 Earths could fit inside it.

Red Planet Day is celebrated every year on November 28 and honors NASA's Mariner 4 mission, the first successful flyby of Mars.

The Apollo 17 astronauts could taste the Moon's fine dust. They called it the "Apollo aroma." It smelled like burnt gunpowder.

Earth lies within the Goldilocks zone - a region at just the right distance from the Sun for water to exist in its liquid state.

Did you know that 51 Pegasi b was the first planet discovered that orbits a different sun from our own?

Scientists believe that both moons of Mars (Phobos and Deimos) are comprised of rock and ice.

Ice volcanoes are real and can be found on Neptune's largest moon, Triton. Also they're not that different from lava volcanoes!

Neptune's moon, Triton, orbits the planet backwards. It's the only large moon in our solar system that does this.

Saturn's rings are named alphabetically based on when they were discovered.

A day on Uranus lasts 17 Earth hours, and a year on the planet equates to 84 years on Earth.

The Earth is the only planet in our solar system not named after either a Greek or Roman God.

The hurricane-like storm on Saturn is one of NASA's most compelling discoveries about a planet within our solar system to-date.

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