Slide 1 © 2010 Pearson Education, Inc. A T THE B ELL 1. How do you think your eye is similar to a telescope? 2. What do telescopes do? Why are they useful? 3. Where are…

Slide 1 Question 1 Modern telescopes use mirrors rather than lenses for all of these reasons EXCEPT 1) Light passing through lenses can be absorbed or scattered. 2) Large…

Slide 1 3.2 OPTICS Slide 2 Optical Telescopes Astronomers use telescopes to gather more light from astronomical bodies. The larger the telescope, the more light it gathers.…

Slide 1 Slide 2 Short wavelength High energy Long wavelength Low energy 1. Astronomers Observe Light Radiated Toward Earth By Matter in Space 2. Light is Energy That is Radiated…

Slide 1 Light and Telescopes Chapter 6 Slide 2 Previous chapters have described the sky as it appears to our unaided eyes, but modern astronomers turn powerful telescopes…

Slide 1 Telescopes Chapter 5 Slide 2 Objectives   Telescopes……………Chapter 5 Objectives:   1. To list the parts of a telescope.   2. To describe…

Chapter 5 Astronomical Instruments How do we learn about objects too far away for spacecraft? How do telescopes work? Do all telescopes use light? Why are telescopes located…

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…

Optics and Telescopes Optics and Telescopes: Guiding Questions How do reflecting and refracting telescopes work? Why is it important that professional telescopes be large?…

Tools for Studying Space An overview of telescopes http://www.neok12.com/php/watch.php?v=zX5f016756667557795f557b&t=Telescope Bill Nye on Refraction and Reflection http://www.teachertube.com/viewVideo.php?video_id=107400…