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Physics Observing The Universe Physics Observing The Universe revision Observing the sky with the naked eye Movement of celestial bodies The sun appears to travel east-west…
PERSONAL \\screen\Internal\TeacherII\Teacher II.ppt Two types of telescopes Refracting telescopes use lenses to gather light. Reflecting telescopes use mirrors to gather…
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Slide 1 1 Welcome!!!. Let’s Build a Galileoscope! Robert Sparks (the National Optical Astronomy Observatory) Slide 2 400 Years Ago, Galileo Changed How We Saw the Universe…