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Browse results: Cosmology and Gravity

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RESOURCE	GRADE LEVEL	MEDIA TYPE
The Elements: Forged in Stars The story of how elements from lithium to uranium are created by stars is illustrated through animation and a hands-on periodic table in this video segment adapted from NOVA. Accessibility features: Caption	6-12	Video
The Origin of the Elements This video segment adapted from NOVA explains the origin of the elements and how scientists use unique element profiles to identify supernova types. Accessibility features: Caption	6-12	Video
What Is a Planet? This video segment, adapted from NOVA scienceNOW, presents the ongoing debate over the definition of a planet, including the status of Pluto. Accessibility features: Caption	3-12	Video