Our solar system is located in the milky way, a barred spiral galaxy with two major arms, and two minor arms. Our solar system has eight planets Mercury, venus, earth, mars, jupiter, saturn, uranus, and neptune There are five officially recognized dwarf planets in our solar system Ceres, pluto, haumea, makemake, and eris. When the ancient greeks came up with their definition of planets, they counted earth's moon, and sun as planets along with mercury, venus, mars, jupiter, and saturn.
Mars, the red planet, is the seventh largest planet in our solar system Mars is about half the width of earth, and has an equatorial diameter of about 4,221 miles (6,792 kilometers). Facts about venus venus is the second planet from the sun, and the sixth largest planet It’s the hottest planet in our solar system It has a surface hot enough to melt lead. Facts about jupiter jupiter is the largest and oldest planet in our solar system
But the king of planets is no lumbering giant — jupiter has the shortest day in the solar system, taking about 9.9 hours to spin around once on its axis. Mercury facts mercury is the smallest planet in our solar system and the nearest to the sun Mercury is only slightly larger than earth's moon It's the fastest planet, zipping around the sun every 88 earth days Mercury is named for the swiftest of the ancient roman gods. But mercury is the fastest planet, zipping around the sun every 88 earth days.
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