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Unit 1 Celestial Objects - Miles Reed

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