How Does A Telescope Work? (Mr. Wizard)

توضیحات:

Learn how telescopes work with Mr. Wizard! Subscribe now for more science, nature and technology clips from the 1980's Nickelodeon show, Mr. Wizard's World, ...

لغات کلیدی:

mr, telescope, optics, history, wizard's, world, wizards, science, experiments, lab, kids, 80's, 90's, nickelodeon, Don Herbert

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