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Unit 1 Celestial Objects - Miles Reed

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Across
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The spinning of Earth on its axis that causes day and night to occur
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A vehicle for exploring the surface of an extraterrestrial body (such as the Moon and Mars)
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The whole mass of air surrounding a planet
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Large and small rocks or metallic masses orbiting the Sun; made up of materials similar to those that formed the planets
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A large artificial satellite used as a long-term base for manned operations in space.
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The four largest and brightest moons of Jupiter, which were discovered by Galileo Galilei: Ganymede, Io, Callisto, and Europa
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To move around another object, along a circular path
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A vehicle or device designed for travel or operation outside Earth's atmosphere
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The force that causes objects with mass to attract one another
Down
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An unmanned spacecraft designed to explore the solar system and transmit data back to Earth
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The path of an object around a point in space
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Composition of outer planets whose atmosphere is made of gases
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The region between the inner and outer planets where most asteroids orbit around the Sun
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Relating to the land
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National Aeronautics and Space Administration; the American governmental agency dedicated to space exploration
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A celestial body of ice, dust, and rock with an elongated and elliptical orbit
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A small object that enters Earth's atmosphere from space and burns due to friction, emitting light
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Any of the large celestial bodies that revolve around the Sun in the solar system