Note: Intro -- Title -- Copyright -- Contents -- FACT 1: A compost heap generates as much energy as the Sun! -- FACT 2: Venus smells like rotten eggs -- FACT 3: You are made of stardust -- FACT 4: Footprints on the Moon will last for millions of years -- FACT 5: Oceans of liquid diamond may exist on Neptune -- FACT 6: Astronauts have feet as soft as babies -- FACT 7: Space is completely silent -- FACT 8: Hot stars are blue, cold stars are red… our taps are wrong! -- FACT 9: Some stars spin 700 times per second -- FACT 10: Venus and Uranus are upside down -- FACT 11: Saturn is not the only planet with rings -- FACT 12: Dark sunspots are as bright as the full Moon -- FACT 13: Metal sticks together in space -- FACT 14: Astronauts cannot burp in space -- FACT 15: The days really are getting longer -- FACT 16: Neptune is home to the fastest winds in the Solar System -- FACT 17: There is no dark side to the Moon -- FACT 18: Black holes are not actually holes! -- FACT 19: Clusters of galaxies are used as gigantic cosmic telescopes -- FACT 20: Mercury is the fastest planet -- FACT 21: On Mars you need flip flops and a hat -- FACT 22: The moons of Jupiter told us the speed of light -- FACT 23: Earth is travelling through space at 225 km per second -- FACT 24: The light from stars tell astronomers what the Universe is made of -- FACT 25: Space agencies use planets to steer spacecraft around the Solar System -- FACT 26: Shepherds keep the rings of Saturn in order -- FACT 27: The Universe is expanding faster now than in the past -- FACT 28: Zero gravity makes copulation rather tricky -- FACT 29: The sight of a larger than usual Moon rising is just an illusion -- FACT 30: Twinkle twinkle little star! Stars do not twinkle -- FACT 31: Europa, a moon of Jupiter, could harbour alien life -- FACT 32: Pluto is no longer a planet. , FACT 33: The first spacewalk nearly ended in tragedy -- FACT 34: The Andromeda galaxy is on a collision course with the Milky Way -- FACT 35: A Martian volcano is almost three times the size of Mount Everest -- FACT 36: The telescope was invented by an optician -- FACT 37: Astronomers use black and white cameras to take colour pictures -- FACT 38: There are thousands of planets beyond our Solar System -- FACT 39: There is a hurricane on Jupiter nearly three times the size of Earth -- FACT 40: If you fell into a black hole you would be stretched like spaghetti -- FACT 41: There are clouds of water floating in space -- FACT 42: It is very likely that the Sun will one day swallow up the Earth -- FACT 43: Shooting stars are not stars at all -- FACT 44: Inhabitants of Saturn could enjoy the northern lights too -- FACT 45: Comets have two tails -- FACT 46: The Moon was once part of Earth -- FACT 47: To find black holes, astronomers look for the brightest objects in the night sky -- FACT 48: There are three laws which govern the motion of the planets -- FACT 49: The most common star is a red dwarf -- FACT 50: The Kessler effect suggests one day we may get cut off from space! -- FACT 51: The first telescope mirrors used arsenic -- FACT 52: A gas cloud contains enough alcohol for everyone for a billion years -- FACT 53: Our eyes are rubbish colour detectors in the dark -- FACT 54: Light takes around one million years to reach us from the core of the Sun -- FACT 55: A hurricane force wind is just a breeze on Mars -- FACT 56: An astronaut in space would last about 15 seconds without a spacesuit -- FACT 57: Travel fast to stay young -- FACT 58: The sky has co-ordinates just like latitude and longitude -- FACT 59: The Grand Canyon is dwarfed by the largest valley in the Solar System -- FACT 60: Earth is closer to the Sun in winter. , FACT 61: There is water on the Moon -- FACT 62: Dark matter exists but we do not know what it is -- FACT 63: Studying the light from galaxies tells us how fast they are moving -- FACT 64: The largest single mirror telescope has a mirror 8.2m across -- FACT 65: Pigeon droppings were once mistakenly identified to explain the radiation from the Big Bang -- FACT 66: Saturn's moon Mimas looks like the Death Star from Star Wars -- FACT 67: Neptune was first discovered by mathematics -- FACT 68: Meteorites are not hot! -- FACT 69: The Sun looks white in space -- FACT 70: Voyager 1 will reach its destination in 40,000 years -- FACT 71: We are sending signals into outer space and aliens could be listening -- FACT 72: Mercury is shrinking! -- FACT 73: The Hubble Space Telescope was launched with the wrong mirror -- FACT 74: A veritable menagerie of animals have been sent into space -- FACT 75: The movement of the Earth allows astronomers to measure distances in space -- FACT 76: Stars do not live forever -- FACT 77: The different shapes of galaxies relate to their evolutionary stage -- FACT 78: The rotation of the Sun is not uniform -- FACT 79: Some variable stars can tell us how far away they are -- FACT 80: Spacecraft docking in space is a tricky manoeuvre -- FACT 81: The Universe is 92 billion light years across -- FACT 82: In 1977 astronomers thought they had detected an alien radio signal -- FACT 83: Gamma ray bursts are among the most powerful explosions in the Universe -- FACT 84: The constellations of today will not be recognisable in a hundred thousand years -- FACT 85: VY Canis Majoris is the largest known star in the Universe -- FACT 86: Jupiter is a failed star -- FACT 87: Dung beetles use the Milky Way to navigate -- FACT 88: Jupiter is the Solar System's vacuum cleaner. , FACT 89: Polaris is the north pole star but in 12,000 years it will be replaced by Vega -- FACT 90: The night sky in a globular cluster would be glittering with thousands of bright stars -- FACT 91: Eratosthenes measured the circumference of Earth in 240bc -- FACT 92: A star called Lucy is a large cosmic diamond -- FACT 93: Lunar eclipses cause massive temperature drops on the Moon -- FACT 94: A teaspoon of neutron star material weighs 10 million tonnes -- FACT 95: The Pistol Star is 10 million times brighter than the Sun -- FACT 96: The atmosphere of the Sun is hotter than its visible surface -- FACT 97: Some rocket engines produce enough thrust to lift a sheet of A4 paper! -- FACT 98: The Sun is a very faint star! -- FACT 99: Astronomers have their very own tape measures -- FACT 100: A Martian meteorite has the fossilised building blocks of life inside it . -- FACT 101: There are alien lakes on Saturn's moon Titan.