The Journey of Flight.pdf - Valkyrie Cadet

27. The exact number of Saturn moons is
a. 17
b 15
c. 11
d. we’re still not sure
28. The orbits of most comets are
a. erratic.
b. circular.
c. consistent.
d. none of these.
29. Comets have been observed
a. since 1910.
b. only recently.
c. since ancient times.
d. in the last 200 years.
30. The comet’s tail forms as it nears
a. the sun.
b. the moon.
c. the Earth.
d. Uranus.
TRUE OR FALSE
31. Vikings 1 and 2 consisted of orbiters and landers.
32. The existence of water was found in liquid form on Mars.
33. The highest content of surface material on Mars is silicon and iron.
34. Iron provides the red color of the Martian landscape.
35. By virtue of its size, Jupiter makes up about 70 percent of the mass of all the planets.
36. Due to its size, Jupiter rotates very slowly.
37. Of all the planets, Jupiter has the most intense radiation belts.
38. Nine rings encircle Uranus.
39. Neptune and Uranus are very similar.
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