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Objects in the Sky4

5ES

QuestionAnswer
asteroids metallic, rocky irregularly shaped bodies without atmosphere that orbit the sun. Too small and numerous to be classified as planets.
atmosphere of planets the mass of air that surrounds it. It is a mixture of various gases. Each planet has its own. It supports the presence of life on Earth.
comets large bodies of rock and ice that orbit the sun in a long narrow ellipse. They form a tail when they get close to the sum.
composition of planets the variety of materials that make up the planet, such as the elements, minerals, rocks, and gases.
constellations groups of stars that form patterns.
dwarf planet a celestial body that is round and orbits the sun. They are not large enough to have sufficient gravity to clear the path of their orbits.
heat energy heat energy is energy transferred from a warmer to a colder object due to the differences in temperature.
planet a celestial body that is round and orbits the sun. They are large enough to have sufficient gravity to clear the path of their orbits.
relative distance is the comparison of the distances between different objects.
scale is a ratio between sets of measurements. It is used to describe the ratio between the actual size of, and distance between, the different objects in the solar system and the size and distance of the model in the classroom.
solar system the sun and the objects (planets, dwarf planets, asteroids, and comets) that revolve around it.
stars large luminous bodies that have a large gravitational pull.
Created by: hworden
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