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The solar system Fact # 1 A sweeping prominence, a huge cloud of relatively cool dense plasma is seen suspended in the Sun's hot, thin corona. Fact # 2 Mercury is a battered and baked planet just larger than Earth's moon. Evidence of heavy bombardment from the chaos of the formation of the solar system is left in the hundreds of craters and resulting lava flows on this small, barren planet. Fact # 3 The brightest of all planets, Venus, is also known as the Morning Star and the Evening Star. This planet is about the same size as Earth but is covered with impenetrable clouds of carbon dioxide and sulfur compounds. Fact # 4 This blue marble earth is the most vivid in showing the descriptions of earth. Fact # 5 Olympus Mons, a 550 km wide volcano, is the largest volcano in the solar system and covers an area about the size of Arizona. It is 27 km high in contrast to Mt Everest on Earth at 8.85 km. Fact # 6 This short Jupiter "day" is amazing since the planet is roughly 11 Earth diameters wide. Unlike the rocky planets, Jupiter is a ball of dense hydrogen, helium, water, nitrogen and other gases over a tiny rocky core. Fact # 7 Saturn and some of its moons can be seen in the composite image at left. Four more moons were found in late 2000 and 9 more were discovered recently for a total of 31. Fact # 8 The icy planet Uranus is a smaller version of Jupiter and not the small rocky bodies like Earth. It have faint rings and a number of moons. Uranus takes some 84 years to orbit the sun. Fact # 9 Blue Neptune is one of the solar system's gas giants. Unlike Earth, gas giants are mostly hydrogen, helium, and methane gases. The methane gas on Neptune gives the planet its blue color because the gas absorbs red light and reflects the blue back into space. Fact #10 Pluto is a small rocky object that lies at the very edge of the solar system. The planet is so far out it takes light from the sun about 5 and one half hours to reach Pluto in contrast to the 8 minutes it takes to reach Earth. Credits To : Laneisha