Did You Know? Potatoes Have Been Grown in Space!
Scientists have tested growing potatoes in space to learn about food for future missions.
Fun Facts
Space
Planets, shooting stars, astronauts, and sky mysteries that invite kids to color new worlds.
18 fun facts in this category
Did You Know? The Moon Helps Pull the Ocean Tides!
The Moon's gravity pulls on Earth's oceans, helping create high and low tides.
Did You Know? One Sunrise on Mercury Takes a Very Long Time!
Because Mercury spins slowly and orbits quickly, one solar day there lasts about 176 Earth days.
Did You Know? Jupiter Has a Storm Bigger Than Earth!
Jupiter's Great Red Spot is a huge storm that has been watched for hundreds of years.
Did You Know? Mars Has the Largest Volcano in the Solar System!
Olympus Mons on Mars is a giant shield volcano that is much taller than Mount Everest.
Did You Know? Black Holes Can Stretch Objects Like Spaghetti!
Near a black hole, gravity can stretch objects into long thin shapes. Scientists call this spaghettification.
Did You Know? Mercury Is the Fastest Planet Around the Sun!
Mercury races around the Sun at about 107,000 miles per hour, making it the speed champion of our solar system.
Did You Know? A Teaspoon of a Neutron Star Would Be Incredibly Heavy!
Neutron stars are so dense that one tiny teaspoon of their material would weigh as much as all humans on Earth together.
Did You Know? Shooting Stars Are Not Stars!
A shooting star is really a tiny bit of space rock or dust burning up in the atmosphere.
Did You Know? Sunsets on Mars Can Look Blue!
Mars is called the Red Planet, but some Martian sunsets can glow with a surprising blue color.
Did You Know? A Day on Venus Is Longer Than Its Year!
Venus spins so slowly that one day on Venus is actually longer than one Venus year!
Did You Know? The Sun Could Fit 1.3 Million Earths Inside It!
The Sun is so massive that you could fit about 1.3 million Earths inside it!
Did You Know? There Are More Stars Than Grains of Sand on Earth!
Scientists estimate there are more stars in the universe than grains of sand on all of Earth's beaches!
Did You Know? Footprints on the Moon Last Forever!
Since there's no wind or water on the Moon, astronaut footprints from 1969 are still perfectly preserved!
Did You Know? Saturn Could Float in a Giant Bathtub!
Saturn is less dense than water — if you had a bathtub big enough, it would actually float!
Did You Know? A Spacesuit Costs About 12 Million Dollars!
NASA spacesuits cost approximately $12 million each — they're basically wearable spaceships!
Did You Know? It Rains Diamonds on Jupiter and Saturn!
The extreme pressure and temperature on Jupiter and Saturn can turn carbon into diamonds that fall like rain!
Did You Know? The Milky Way Smells Like Rum and Raspberries!
Scientists found a chemical in the center of our galaxy that smells like rum and tastes like raspberries!