Lesson Playlist: Stars and Galaxies Science • Third Year of Preparatory School
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01:59Recalling That the Solar System Orbits the Center of the Galaxy
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02:52Determining the Orbital Period of the Solar System
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01:41Recognizing the Spiral Arms in an Image of the Milky Way
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01:31Recalling the Location of Our Solar System in the Milky Way
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02:21Recognizing That Stars Are Large Hot and Distant Objects
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03:30Recalling the Device Used for Observing Stars
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00:55Recalling the Name of the Galaxy That Our Solar System Is In
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03:04Comparing Units of Distance
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02:26Recalling What a Galaxy is Made Of
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01:01Describing the Milky Way
