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What is the closest star to Earth?	The Sun		fun-space-facts
Which planet is closest to the Sun?	Mercury		fun-space-facts
Which planet is the hottest?	Venus		fun-space-facts
Which planet is called the Red Planet?	Mars		fun-space-facts
Which planet is the largest?	Jupiter		fun-space-facts
Which planet has the most famous rings?	Saturn		fun-space-facts
Which planet spins on its side?	Uranus		fun-space-facts
Which planet is the farthest from the Sun?	Neptune		fun-space-facts
How many planets are in our solar system?	Eight		fun-space-facts
What is the order of the planets?	Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune		fun-space-facts
What is the Moon?	Earth's natural satellite		fun-space-facts
How long does the Moon take to go around Earth?	About 27 days		fun-space-facts
Who was the first person on the Moon?	Neil Armstrong, in 1969		fun-space-facts
What is the Milky Way?	Our home galaxy		fun-space-facts
What is a galaxy?	A huge group of stars, gas and dust		fun-space-facts
What is a light-year?	The distance light travels in one year		fun-space-facts
What is a comet?	An icy body that grows a glowing tail near the Sun		fun-space-facts
What is an asteroid?	A rocky object that orbits the Sun		fun-space-facts
What is a meteor?	A streak of light when space rock burns in the air		fun-space-facts
What is a meteorite?	A space rock that lands on Earth		fun-space-facts
What is the Great Red Spot?	A giant storm on Jupiter		fun-space-facts
What is a black hole?	A place where gravity is so strong that light cannot escape		fun-space-facts
What is a supernova?	The huge explosion of a dying star		fun-space-facts
What is a constellation?	A pattern of stars, like the Big Dipper		fun-space-facts
What is the North Star?	Polaris, which stays nearly in the same place in the northern sky		fun-space-facts
What is an eclipse of the Sun?	When the Moon blocks the Sun's light from Earth		fun-space-facts
What is a lunar eclipse?	When Earth's shadow falls on the Moon		fun-space-facts
What causes day and night?	Earth spinning on its axis		fun-space-facts
What causes seasons?	Earth's tilt as it goes around the Sun		fun-space-facts
How long is a year on Earth?	About 365 days		fun-space-facts
What was the first animal to orbit Earth?	A dog named Laika, in 1957		fun-space-facts
What was the first artificial satellite?	Sputnik 1, launched in 1957		fun-space-facts
What is the ISS?	The International Space Station, where astronauts live and work		fun-space-facts
Who was the first person in space?	Yuri Gagarin, in 1961		fun-space-facts
What is NASA?	The United States space agency		fun-space-facts
What is the Hubble Space Telescope?	A telescope that orbits Earth and takes sharp pictures of space		fun-space-facts
What is the James Webb Space Telescope?	An infrared space telescope launched in 2021		fun-space-facts
What are Mars rovers?	Robot vehicles that explore Mars		fun-space-facts
Which planet has a day longer than its year?	Venus		fun-space-facts
Which planet has the most moons known?	Saturn has the most confirmed moons		fun-space-facts
What are Jupiter's four big moons called?	Io, Europa, Ganymede and Callisto		fun-space-facts
Which is the largest moon in the solar system?	Ganymede, a moon of Jupiter		fun-space-facts
What is Pluto now called?	A dwarf planet		fun-space-facts
What is the asteroid belt?	A ring of rocky objects between Mars and Jupiter		fun-space-facts
What makes the Sun shine?	Nuclear fusion in its core		fun-space-facts
What color are the hottest stars?	Blue-white		fun-space-facts
What is the Sun made of?	Mostly hydrogen and helium gas		fun-space-facts
How long does sunlight take to reach Earth?	About 8 minutes		fun-space-facts
What is the Big Bang?	The idea that the universe began about 13.8 billion years ago from a hot, dense start		fun-space-facts
What is gravity?	The pull between objects with mass		fun-space-facts
Why do astronauts float?	They are in free fall around the Earth		fun-space-facts
What is the Apollo program?	NASA's program that landed people on the Moon (1969-1972)		fun-space-facts
What is the Space Shuttle?	A reusable NASA spacecraft that flew from 1981 to 2011		fun-space-facts
What is a rocket's fuel for?	To push it up fast enough to escape Earth's gravity		fun-space-facts
What is Halley's Comet?	A famous comet seen from Earth about every 76 years		fun-space-facts
What is the Big Dipper?	Seven bright stars shaped like a ladle		fun-space-facts
What are Orion's belt stars?	Three bright stars in a row in the constellation Orion		fun-space-facts
What is the Aurora?	Colored lights in the sky near the poles, caused by particles from the Sun		fun-space-facts
What is the solar system?	The Sun and everything that orbits it		fun-space-facts
What is a satellite?	An object that orbits a larger one		fun-space-facts
What is an astronaut?	A person trained to travel in space		fun-space-facts