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All about our solar system By: Lauren Stinson Sun • The sun is in the center of our solar system • The sun is exploding every second • All the planets revolve around the sun • 109 earths would be required to fit across the suns disk and its interior could hold over 1.3 million earths Mercury • • • • • • Mercury is the closest to the sun The orbit is 57,910,000 kilometers from the sun Its diameter is 4,880 kilometers from the sun Its mass is 3.30e23 kilograms Mercury is the closest planet to the sun Mercury is smaller in diameter than in Ganymede and titan but more massive Venus • • • • • • Venus has thick poisonous clouds so you could not live there and because its to hot Venus is the second planet from the sun and the 6th largest Venus’s orbit is the most nearly circular of that of any planet with an eccentricity of less than 1% Its orbit is 108,200,000 kilometers Its diameter is 12,103.6 kilometers Its mass is 4.869e24 kilograms Earth • • • • • • • • It’s the 5th largest and it has 1 moon It was not until the Earth is the third planet from the sun time of Copernicus that it was understood that the earth just another planet Earth of course can be studied without the aid of spacecraft is Nevertheless it was not until the 20th century that we had maps of the entire planet Pictures of the planet taken from space are considerable importance for example they are an enormous help in weather prediction and especially in tracking and predicting hurricanes and they are extraordinary beautiful Its orbit is 149,600,000 kilometers Its diameter is 12,756.3 kilometers Its mass is 5.9736e24 kilograms Mars • Mars has the largest canyon in the solar system it would reach from Los Angeles to Chicago if it was on earth • Mars has a very thick atmosphere mostly carbon dioxide but dust storms can cover the whole planet for months at a time • About every 2 years earth and mars come close together the planet has 2 moons Deimos and Phobos Jupiter • Jupiter is the biggest planet • Jupiter has 18 moons • Jupiter takes about 12 years to orbit the sun and rotates in about 10 hours • This short Jupiter day is amazing since the planet is roughly 11 earth diameters wide Saturn • Saturn has rings • Saturn's rings are made up of ice and dust • 4 more moons were found in late 2000 and 9 more were discovered recently with a total of 31 moons Uranus • Uranus takes 84 years to orbit the sun • It rotates on its side so half the time 1 pole is toward the sun and the other making each of the 4 seasons last for 20 years • Uranus has rings • Its diameter is 51,118 kilometers Neptune • Neptune has rings • It has 13 moons • Its rotation is 0 days 16.11 hours • Its diameter is 49,572 kilograms Our solar system includes the Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune and the planets are divided into 2 groups by the asteroid belt 1 group is called the inner planets they include Mercury, Venus, Earth, and Mars and the outer planets includes Jupiter, Saturn, Uranus, and Neptune and Earth is perfect for us because Mercury and Venus are to hot and Venus has thick poisonous clouds and Mars, Jupiter, Saturn, Uranus, and Neptune are to cold and the sun heats our Earth and explodes every second • www.google.com/images • www.goodteeth.com/facts_sun. htm • www.kidscosmos.org/kidstuff/neptune-facts.html