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First planet from the sun. There are no moon on Mercury. There are no rings on Mercury. There are 88 days in a year. 59 Earth days in a day. The early Romans named Mercury after the messenger of their gods because it appeared to move more quickly through the sky than did any of the other planets. Not much was known about Mercury until it was studied by a radar from Earth in the 1960. Mercury’s density is 5.4 which means the planet is 5.4 times heavier than an equal amount of water. The reason for Mercury’s density is its enormous, heavy core of molten iron, about 2,250 miles across. Second planet from the sun. There are no moons. There are no rings . 224.7 days in one year. 243 Earth days is one day. ☺The surface of Venus is incredibly hot as much as 900° F day and night. ☺In 1980 , the pioneer Venus obiter space craft bounced radio waves off the planet to measure the heights of mountains and the depths of vales to within a few hundred feet. ☺About 70 percent of the surface of Venus is a vast desert of rolling plains (light blue). ♦ Third planet from the sun . ♦ One moon. ♦ No rings. ♦ 365.3 days in a year. ♦ 24 hours in a day. Earth’s atmosphere is made of gases and bits of dust and water. Oceans cover nearly threequarters of Earth. The night lights are called aurora. Earths magnetic field acts like a shield. Fourth planet from the sun. 2 moons . No rings. 687 days in a year. 24.5 hours in a day. Mars is sometimes called the red planet because iron oxide (rust) in the soil makes it shine a reddish or orange color. Two thousand years ago the red color made the Romans think of blood and war so they named Mars after their god of war. ♠ Mars has craters, mountains, volcanoes, plains, and valleys. ☼Fifth planet from the sun. ☼At least 16 moons. ☼2 rings. ☼12 Earth years is one year. ☼9.8 hours is one day. ♫Jupiter is 480 million miles from the sun. ♫Jupiter is the biggest planet in the solar system. ♫1,300 Earths could fit in Jupiter. ♫Jupiter’s atmosphere is made of hydrogen gas. ☻. Sixth planet from the sun. ☻At least 17 moons. ☻29.5 Earth years is one year. ☻10.7 hours is one day ►It was named after the Roman god of farming. ►Saturn is 890 million miles from the sun. ►About 750 Earths could fit inside Saturn. ►The rings are made of ice. o Seventh planet from the sun. o At least 15 moons. o 10 rings. o 84 Earth years is one year. o 17 hours in one day. It is about one and threequarter billion miles from the sun. Fifty Earths could fit inside Uranus. Uranus’s magnetic field is closer to its equator than its poles. Uranus’s clouds are over 350°F. ☼Eighth planet from the sun. ☼8 moons. ☼4 rings. ☼165 Earth years is one year. ☼16 hours is one day. Neptune is 2.8 billion miles from the sun. Neptune is thirty thousand miles across. Forty two Earths could fit in side Neptune. Neptune has two dark storm spots that resemble Jupiter’s Great Red spot.