Orbit
The International Space Station, with the blackness of space beyond Earth's horizon in the background

The International Space Station orbits Earth. Image Credit: NASA

      the path followed by a moon, planet or artificial satellite as it travels around another body in space



Sentences:
Earth is in orbit around the sun, and our moon is in orbit around Earth.

All of the planets in the solar system orbit the sun.



More Information:
http://www.nasa.gov/worldbook/wbkids/k_orbit.html
http://spaceplace.nasa.gov/en/kids/goes/goes_poes_orbits.shtml   →
http://spaceplace.nasa.gov/en/kids/orbits1.shtml   →
http://mars.jpl.nasa.gov/extreme/images/EarthMarsOrbitTop.jpg   →
http://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level1/activity/planet_go.html   →