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Science chapter C4 Study Guide Name __________ Test on _____________ A constellation is a group of stars that form a pattern. A lunar eclipse is when the Earth comes between the sun and the moon. A solar eclipse is a result of a body blocking the sun’s light. Ceres is to asteroid as Shoemaker-Levy is to comet. Day is to rotation as year is to revolution. Direct sunlight is to summer as indirect sunlight is to winter. Earth and Pluto each have one moon. Earth and the other planets close to the sun are made mostly of rock. Earth is a satellite of the sun. Earth is to planet as sun is to star. Earth is to rock as Jupiter is to gas. Earth’s air is to meteor as Earth’s surface is to meteorite. Hale-Bopp is to comet as Ursa Major is to constellation. Jupiter is so far that it took Galileo about six years to reach it. Jupiter’s Great Red Spot is a giant storm. Mariner is to Mercury as Magellan is to Venus. One full orbit of the Earth around the sun is called a revolution. Orbit is to path as spin is to rotate. Pioneer is to Venus as Pathfinder is to Mars. Pluto, a dwarf planet, is the smallest planet followed by Mercury, Mars, Venus, and then Earth. Saturn is to gas as Pluto is to ice. Saturn’s moons are a variety of sizes. Scientists think Saturn’s rings were formed by broken apart moons. Sunlight is a form of the sun’s energy. The Earth rotates once a day on an imaginary line called an axis. The phase of the moon that cannot be seen is the new moon. The phases of the moon are the parts that are lighted. The planets in our solar system, like Earth, reflect the sun’s light. The moon is a satellite of the Earth. The moon revolves around the Earth about once a month. The sun, at any given time, heats the surface of the earth unevenly because the Earth’s axis is tilted. Voyager and Galileo visited Jupiter. Voyager is to spacecraft as Hubble is to telescope.