2. Who designed “geoglyphs”? Nazca

3. Who is credited with the concept of gravity? Newton

4. Who was the first to promote the heliocentric universe? Copernicus

5. Oldest astronomical time piece in existence? Stonehenge

6. Famous for the invention of telescope? Galileo

7. Telescope that covers 1/3 of the sky and collects radios waves that is sent to a receiver. Radio Telescope

8. Telescope that uses MIRRORS? Reflecting Telescope

9. Telescope that uses LENSES? Refracting Telescope

10. Who worked in a great observatory in Europe and made the most accurate observations of the universe? Brahe

11. Developed the 3 laws dealing with ellipses? Kepler

12. Provided observational proofs that the earth is a sphere? Aristotle

13. List one problem with optical astronomy. Need darkness, light pollution, atmosphere interferes

14. Collection of stars, dust, and gas bonded together by gravity? Galaxy

15. An instrument that collects electromagnetic radiation from the sky? Telescope

16. What is the apparent backward motion of planets called? Retrograde motion

17. Shape of the orbit around the sun? Ellipse

18. What causes day and night? Rotation

19. Described as the power or the strength of the telescope? Magnification

20. The diameter of the lens or the mirrors? Aperture

21. List four reasons people began watching the night sky. Entertainment, time, religion, navigation

22. Which has the largest effect on eccentricity (how elliptical the shape is), the distance between the foci or length of the ellipse? Distance between foci

23. What is the equation for eccentricity? *Using e, d, and L… E = d / L

24. If the area of sector A of a planet around the sun is 3947 m 2, according to Kepler’s second law the area of another sector (sector B) that represents the same amount of time should be? 3947 m 2

25. What is right ascension AND what unit is it measure in? Celestial Longitude; measured in hours and minutes

26.  What is declination AND what unit is it measured in?  Celestial latitude.. Measured in degrees