Pronunciation: /ˈsoʊ.lər ˈsɪs.təm/
noun A noun is a word that represents a person, place, thing, or idea. In this case, 'solar system' is a noun referring to a collection of planets and other celestial bodies that orbit around a star, such as our sun.
A1 The solar system consists of the sun and all the planets.
A2 Our solar system is just one of many in the universe.
B1 Scientists study the solar system to learn more about the origins of our planet.
B2 Space missions have provided valuable data about the outer reaches of our solar system.
C1 The formation of the solar system is a complex and fascinating topic in astronomy.
C2 Astronomers continue to make new discoveries about the solar system using advanced technology.
formal The solar system consists of the sun and all the celestial objects that orbit around it.
informal Did you know that Pluto used to be considered the ninth planet in our solar system?
slang I heard Mercury is the hottest planet in the solar system.
figurative Exploring the vastness of the solar system is like discovering a whole new world.
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