Beautiful and mysterious, peaceful and serene, the moon is the brightest object in the night sky. Jupiter and Saturn have more than sixty moons each. Neptune has thirteen moons. Even Mars has two moons. But the Earth, our planet, only has one moon, our nearest neighbor in space. Even though the moon is close to us when compared to other planets, it is still very, very far away. The moon is about 239 thousand miles or 384 thousand kilometers away. You would have to travel all the way around the Earth nine and a half times to go the same distance as the space between the Earth and the Moon. The moon is much smaller than the Earth. Ifthe Earth was hollow, about fifty moons could fit inside. Because it is so much smaller than the Earth, the moon's gravity is much weaker. This means that if you were to visit the moon, you would weigh much less than you do on earth, only about 1/6th of your current weight. That means that if a giraffe was on...
Jupiter, the fifth planet from the sun, is also the largest planet. A side from the Sun, Jupiter is the largest object in the solar system. It is called a gas giant, because it is so large and it is made mostly of gasses- hydrogen, helium, methane, and ammonia. Jupiter is made of many of the same materials as stars: if it had been about 80 times more massive than it is, it might have become a star instead of a planet. It would take more than 300 Earths to equal Jupiter's mass. It is twice as massive as all of the other planets in the solar system put together, and has a diameter of more than 88,000 miles or 142,000 kilometers. It is so large that if it were a big jar, more than thirteen hundred earths could fit inside of it. Jupiter has been observed for thousands of years and was known to the ancient Romans, who named it after Jupiter, the king of the gods. It is the third brightest object in the night sky - dimmer only than the Moon and Venus. Jupit...
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