History's Mysteries.

Begin this journey by taking a closer look at concepts that were once unexplainable but are now better understood. You'll focus on two such former mysteries: the existence of an invisible "aether" through which light and sound were believed to travel and the orbit of Mercury, which se...

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Bibliographic Details

Corporate Author:	Kanopy (Firm)
Format:	Video
Language:	Undetermined
Language Notes:	In English
Published:	[San Francisco, California, USA] : Kanopy Streaming, 2015.
Subjects:	Applied Science Astronomy and Aeronautics
Online Access:	Connect to this streaming video