What's better than a million-dollar view from the top of a skyscraper? Try a multimillion-dollar view from a satellite flying around Earth. A satellite is an object that orbits or travels around a larger one. There are both nat- ural and artificial satellites. The Moon is a natural satellite that orbits Earth. Artificial satellites also orbit Earth, carrying instruments for all sorts of communication, weather forecasting, scientific research, and even spying. Earth and ocean scientists at Scripps Institution of Oceanography use satellites every day to observe our planet and conduct research.
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