All About Telescopes

15 Points Per Correct Answer - No time limit  

1. What is the most important thing to consider when choosing a telescope? size aperture length brand

2. Who invented the first telescope? Galileo Galilei Hans Lippershey Leonardo DaVInci Ptolemy

3. Refracting telescopes use lenses to magnify an image. True False

4. What type of telescope uses both lenses and mirrors to magnify the image? catadioptric system refracting reflecting double telescope

5. To focus more light and to create a brighter image the mirrors in the telescope tube should be ________________. smaller thicker bigger thinner

6. The magnification of the object is dependent largely on the ___________. size of the scope the primary mirror the thickness of the mirror eye-piece

7. Which of the following is a telescope that is not based on visible light rays? refracting radio telescope reflecting catadioptric system

8. Radio telescope waves are generally processed by___________. NASA officials the human eye a computer sound

9. A convex lens is thin in the middle, thick around the edges and makes parallel rays of light diverge. True False

10. What type of telescope is the Hubble? reflecting catadioptric system refracting radio