1. Astronomical Telescopes and Instruments START EXIT Funded by Title V HIS Grant at LAMC and U.S Department of Education Corresponds to Ch 4 in book Astro by Seeds Prepared by: Julissa Garcia, Aramik Yousefian Hagop Hadjinian, Tatevik Grigoryan Activity director: Lilit Haroyan Faculty Advisor: Richard Rains

2. 1. If a telescope has a large Aperture… HINT There is less light There is less diffraction None of the Above It has no power to resolve detail It has no power to resolve detail 12345687910Exit

3. HINT There is less light There is less diffraction None of the Above It has no power to resolve detail Correct! next 1. If a telescope has a large Aperture… 12345687910Exit

4. 1. If a telescope has a large Aperture… Incorrect The larger the Aperture the less the diffraction (when images are hard to see). back next HINT 12345687910Exit

5. It lessens the difficulty to see back 12345687910Exit

6. 2. What does a Refracting telescope use? HINT Glass lens Computer Rainbows Mirror 12345687910Exit

7. HINT Glass lens Computer Rainbows Mirror Correct! next 2. What does a Refracting telescope use? 12345687910Exit

8. 2. What does a Refracting telescope use? HINT 12345687910Exit Incorrect Remember Mirror Lens Reflect (reflecting telescope), whereas Glass Lens are Refracting telescope. back next

9. Galileo had a refracting telescope back 12345687910Exit

10. 3. According to the Spectrum of Visible Light… HINT Violet has long wavelengths Violet has long wavelengths Yellow has short wavelengths Yellow has short wavelengths Pink has the strongest wavelengths Pink has the strongest wavelengths Red has long wavelengths 12345687910Exit

11. HINT Violet has long wavelengths Violet has long wavelengths Yellow has short wavelengths Yellow has short wavelengths Pink has the strongest wavelengths Pink has the strongest wavelengths Red has long wavelengths Correct! next 3. According to the Spectrum of Visible Light… 12345687910Exit

12. back next 3. According to the Spectrum of Visible Light… Incorrect Red has longer wavelengths than blue, which are short. nextback HINT 12345687910Exit

13. This is the color of tomatoes back 12345687910Exit

14. 4. A Photon is a: HINT A Photographic camera A Particle of light A red wavelength A sub particle of fungi 12345687910Exit

15. HINT A Photographic camera A Particle of light A red wavelength A sub particle of fungi Correct! next 4. A Photon is a: 12345687910Exit

16. Incorrect Photons are particles of light that we cannot see but move through light. back next 4. A Photon is a: 12345687910Exit

17. Photons are passing through you right now through the computer screen back 12345687910Exit

18. 5. VLA stands for what? HINT Very Large Array Violet Length Array Radio Images of the Sky Vegetarians Love Asparagus Vegetarians Love Asparagus 12345687910Exit

19. HINT Very Large Array Violet Length Array Radio Images of the Sky Vegetarians Love Asparagus Correct! next 5. VLA stands for what? 12345687910Exit

20. Incorrect Very Large Arrays look like huge Dish satellites with antennas. back next 5. VLA stands for what? HINT 12345687910Exit

21. It is a very large dish… back 12345687910Exit

22. 6. According to the Electromagnetic Spectrum: HINT Gamma Rays are the strongest Gamma Rays are the strongest X-Rays are the weakest None of the above Radio waves are strongest Radio waves are strongest 12345687910Exit

23. HINT Gamma Rays are the strongest X-Rays are the weakest None of the above Radio waves are strongest Correct! next 6. According to the Electromagnetic Spectrum: 12345687910Exit

24. Incorrect Gamma rays are deadly, followed by x-rays and other weaker forms of waves are microwave and radio (weakest). back next 6. According to the Electromagnetic Spectrum: HINT 12345687910Exit

25. back They appear in the right side of the spectrum… 12345687910Exit

26. 7. UV wavelengths… HINT Are Long wavelengths Are short wavelengths All wavelengths Has No wavelengths 12345687910Exit

27. HINT Are Long wavelengths Are short wavelengths All wavelengths Has No wavelengths Correct! next 7. UV wavelengths… 12345687910Exit

28. Incorrect In the spectrum everything on the left is longer wavelengths, and everything on the right has shorter wavelengths, the UV rays are in middle left. back next 7. UV wavelengths… HINT 12345687910Exit

29. They are next to visual lights on the left side of the spectrum. back 12345687910Exit

30. 8. VLBI stands for what? HINT Very Large Batman Ice Very Large Base Infrared None of the above Very Large Base interferometer Very Large Base interferometer 12345687910Exit

31. HINT Very Large Batman Ice Very Large Base Infrared None of the above Very Large Base interferometer Correct! next 8. VLBI stands for what? 12345687910Exit

32. 8. VLBI stands for what? HINT 12345687910Exit Incorrect VLBI’s use Interferometry in radio arrays to get images and information from space. back next

33. It uses interferometry… back 12345687910Exit

34. HINT The study of celestial objects through radio The study of celestial objects through radio The study of astronomy through stars The study of astronomy through stars None of the above The study of volcanic activity 9. Radio astronomy is… 12345687910Exit

35. HINT The study of celestial objects through radio The study of astronomy through stars None of the above The study of volcanic activity Correct! next 9. Radio astronomy is… 12345687910Exit

36. 9. Radio astronomy is… HINT 12345687910Exit Incorrect Radio includes all aspects of space discovery through radio. back next

37. Astronomy is the study of the universe…radio implies… back 12345687910Exit

38. 10. Chromatic aberration is seen in which type of telescope? HINT Reflecting telescopes Radio telescopes Galileo’s telescope Refracting telescopes 12345687910Exit

39. HINT Reflecting telescopes Radio telescopes Galileo’s telescope Refracting telescopes 10. Chromatic aberration is seen in which type of telescope? Correct! next 12345687910Exit

40. 10. Chromatic aberration is seen in which type of telescope? Incorrect Chromatic aberration is when the colors get a “smudged” look. back next HINT 12345687910Exit

41. These are telescopes with glass lens back 12345687910Exit

42. EXIT TRY AGAIN TRY AGAIN TRY AGAIN TRY AGAIN