26. What is the relationship between fossil fuels and the greenhouse effect? (1 point)
Burning fossil fuels decreases incoming solar radiation.
Burning fossil fuels decreases the absorption capacity of greenhouse gases.
Burning fossil fuels lowers the greenhouse effect.
Burning fossil fuels releases carbon dioxide into the atmosphere.****
27. The geocentric model of the universe stated that ____. (1 point)
Earth revolved around the celestial sphere
the sun was the center of the universe
Earth was a ?wanderer?
Earth was the center of the universe****
28. The true shape of planetary orbits was discovered by ____. (1 point)
Newton
Galileo
Brahe
Kepler****
29. Earth?s axis slowly but continuously points in different directions, a movement known as ____. (1 point)
retrograde motion
revolution
rotation
precession****
30. What occurs when the moon casts its shadow on Earth? (1 point)
lunar eclipse
solar eclipse****
sidereal month
synodic month
31. Maria formed from which of the following? (1 point)
basaltic lava****
lunar regolith
ancient water erosion
none of the above
32. How does crater density relate to the moon?s geologic history? (1 point)
High crater density is associated with younger surfaces.
High crater density is associated with older surfaces.****
Crater density and geologic age are not related.
Low crater density indicates an active geologic past.
33. Which of the following is NOT characteristic of Jovian planets? (1 point)
large size
composed mainly of gases and ices
thin atmospheres
located beyond the orbit of Mars****
34. On which thickly clouded planet has radar mapping revealed a varied topography consisting of plains, highlands, and thousands of volcanic structures? (1 point)
Mercury
Venus****
Neptune
Jupiter
35. Which features on Mars point to the possibility of liquid water on the planet? (1 point)
mountain ranges with faults
gullies and streamlike channels****
volcanic cones with craters
impact craters with sharp rims
36. Which planet?s axis of rotation lies nearly parallel with the plane of its orbit? (1 point)
Mercury
Earth
Uranus****
Saturn
37. Most meteor showers are associated with the orbits of ____. (1 point)
satellites
comets****
planets
meteorites
38. The energy of a photon is related to its ____. (1 point)
rate of movement
mass
wavelength****
size
39. Large Doppler shifts indicate ____. (1 point)
low speeds
high speeds****
low temperatures
high temperatures
40. Which of the following is NOT an advantage of radio telescopes over optical telescopes? (1 point)
Radio telescopes are less affected by atmospheric conditions.
Radio telescopes are less expensive.
Radio telescopes can operate 24 hours a day.
Radio telescopes have better resolution.****
41. Which part of the sun lies directly above the visible ?surface? of the sun? (1 point)
photosphere
chromosphere
corona****
ionosphere
42. What are the most explosive events that occur on the sun? (1 point)
umbras
prominences
solar flares****
solar winds
43. The source of the sun?s energy is ____. (1 point)
chemical burning
nuclear fission
nuclear fusion****
photosynthesis
44. Which magnitude would be associated with the brightest star? (1 point)
15
10
5
?5****
45. Which stars are composed of matter in which electrons have combined with protons? (1 point)
black holes
black dwarfs
white dwarfs
neutron stars****
46. What will be the final stage in the sun?s life cycle? (1 point)
white dwarf
red giant
planetary nebula
black dwarf****
starrs are by the answers that i put
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