Dwarf planets are worlds too small to be full-fledged planets, but too big to fit in smaller astronomical categories. Pluto, the most famous dwarf planet, lost its planet status in 2006.

How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...

The New Horizons spacecraft left Earth in 2006 and began a 9-year journey that would result in it flying over Pluto on July 14, 2015, at a height of 7,800 miles (12,550km) above the planet's surface.

Quick facts about Earth. How big it is: 7,926 miles (12,760 kilometers) wide How old it is: 4.5 billion years How fast it moves around the sun: 67,100 mph (30 km per second) Earth is our home ...

Space! It's been called the "final frontier." It's powerful, infinite and some would say unknowable. But astronomer Dean Regas is not among them. As he says in the forward to his new "1,000 Facts ...

5 fast facts about the moon The moon's orbit isn't a perfect circle. Instead, it's more stretched out , kind of like an oval, which means its distance from Earth varies by about 30,000 miles ...

It is not only the largest volcano on the planet, it's also the largest in the entire solar system, according to Space.com. It is a whopping 16 miles high and spans 374 miles, per the source.

That’s because these planets are primarily made from gas and have no solid surface. ... Find more space facts tailored to your age from BBC Bitesize: KS2 space learning resources for ages 7-11.

NASA hasn’t admitted that space and planets are fake. We’ve previously fact-checked and found false claims that space is "a hoax." This claim gets the same rating: Pants on Fire!

Stunning facts about Venus, Earth's 'sister planet,' where every day is 900 degrees. ... It hitched a ride into Earth orbit in the payload bay of the Space Shuttle Atlantis in 1989.