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	[Why series] Earth Science Episode 8 - Celestial Observation (EBSDocumentary (EBS 다큐)) View
	[Why series] Earth Science Episode 9 - The Motion of the Moon (EBSDocumentary (EBS 다큐)) View
	[Why series] Earth Science Episode 7 - Revolution and Annual Motion (EBSDocumentary (EBS 다큐)) View
	Voyager's Incredible Discovery \| The New Frontier Episode 8 (Docuworld) View
	celestial sphere and seasons with suns path (Jensen Earth Science) View
	Earth Science - Apparent Motion of Earth (Michael DiPasquale (Mr. D)) View
	Earth's Rotation u0026 Revolution: Crash Course Kids 8.1 (Crash Course Kids) View
	Introduction to Geodesy: Episode 1 - How do we know the Earth is spheroidal (PhD Tony) View
	Telescopes in Space! \| How We Study Space \| SciShow Kids (SciShow Kids) View
	[Why series] Earth Science Episode 5 - Global Warming u0026 Ozone Layer (EBSDocumentary (EBS 다큐)) View