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Astronomy6thgrade
Exploring the solar system
Question | Answer |
---|---|
a piece of rock from space that burns from entering the earth's atmosphere | meteor |
celestial body that orbits the sun but is not considered a planet or satellite | dwarf planet |
any object natural of manufactured that orbits another object | satellite |
any vehicle piloted or unpiloted designed to travel beyond earth's atmosphere | spacecraft |
a scientist who studies objects and events beyond Earth's atmosphere such as the composition | Astronomer |
the study of objects and events beyond Earth's atmosphere | Astromony |
a "dirty snowball" of ice and dust that orbits the sun. Comets appear to have a fuzzy head and a long tail that streams away from the sun. | comet |
an object that orbits a star and is larger than an asteroid and smaller than a star | planet |
a body of gas sufficiently compressed by its own gravity for nuclear fusion to take place. The nuclear fusion creates the light, heat, and other radioation associated with stars. | star |
a group of billions of stars | galaxy |
the sun and all the objects, including Earth, that orbits the sun | solar system |
a unit of measurement equal to the distance between earth and the sun approximately 150,000,000 km. | astronomical unit |
a push or a pull due to gravity | gravitational force |
the attractive force that occurs between any two objects | gravity |
a measure of the material contained in an object | mass |
irregularly shaped rocky object that orbits the sun | astroid |
any object natural or manufactured that orbits another object | satellite |
any vehicle piloted or unpiloted designed to travel beyond Earth's atmosphere | spacecraft |
a device used to view or obtain information about distant objects | telescope |