space Facts

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INTERESTING FACTS ABOUT SPACE


Scientific, historical and cultural facts about space, galaxies, the planets and other objects in the solar system. The latest discoveries and interesting space related features can be found on the blog, while the gallery highlights graphics and diagrams that illustrate more aspects of the the universe.



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SATURN FACTS

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Saturn is the sixth planet from the Sun and the most distant that can be seen with the naked eye. Saturn is the second largest planet and is best known for its fabulous ring system that was first observed in 1610 by the astronomer Galileo Galilei. Like Jupiter, Saturn is a gas giant and is composed of similar gasses including hydrogen, helium and methane. Saturn Planet Profile Equatorial Diameter: 120,536 km Polar Diameter: 108,728 km Mass: 5.68 × 10^26 kg (95 Earths) Moons: 62 ( Titan ,  Enceladus ,  Iapetus  &  Rhea ) Rings: 30+ (7 Groups) Orbit Distance: 1,426,666,422 km (9.54 AU) Orbit Period: 10,756 days (29.5 years) Effective Temperature: -178 °C First Record: 8th century BC Recorded By: Assyrians Facts About Saturn Saturn can be seen with the naked eye. It is the fifth brightest object in the  solar system  and is also easily studied through binoculars or a small telescope. Saturn was known to the ancients, including the Babylonians and Far Ea
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MERCURY FACTS

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Mercury is the closest planet to the  Sun  and due to its proximity it is not easily seen except during twilight. For every two orbits of the Sun, Mercury completes three rotations about its axis and up until 1965 it was thought that the same side of Mercury constantly faced the Sun. Thirteen times a century Mercury can be observed from the  Earth  passing across the face of the Sun in an event called a transit, the next will occur on the 9th May 2016. Mercury Planet Profile Diameter: 4,879 km Mass: 3.30 x 10^23 kg (5.5% Earth) Moons: None Orbit Distance: 57,909,227 km (0.39 AU) Orbit Period: 88 days Surface Temperature: -173 to 427°C First Record: 14th century BC Recorded By: Assyrian astronomers QUICK MERCURY FACTS Mercury does not have any moons or rings. Your weight on Mercury would be 38% of your weight on Earth. A day on the surface of Mercury lasts 176 Earth days. A year on Mercury takes 88 Earth days. Mercury has a diameter of 4,879 km, making i
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