Name two advantages of larger telescopes over smaller ones
What will be an ideal response?
Larger objectives gather more light to see fainter objects, and give you better resolution and thus sharper images.
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During the _______________ phase, sunlight illuminates the far side of the Moon, and the side you see is in darkness
Fill in the blank(s) with correct word
Rank the five terrestrial worlds in order of size from smallest to largest
A) Mercury, Venus, Earth, Moon, Mars B) Mercury, Moon, Venus, Earth, Mars C) Moon, Mercury, Venus, Earth, Mars D) Moon, Mercury, Mars, Venus, Earth E) Mercury, Moon, Mars, Earth, Venus
Which of the following is true of poor galaxy clusters?
A) They contain about 1500 to 2500 galaxies. B) They primarily contain elliptical galaxies. C) They are densely crowded toward the center. D) They are irregularly shaped.
Which of the following is not an advantage of spacecraft flybys over ground-based telescope observations?
A) Spacecraft can sample the gravitational field of a planet. B) Spacecraft can view "backlit" views of planetary rings. C) Spacecraft can measure local magnetic fields. D) Spacecraft can monitor changes in a planet's atmosphere over long times. E) Spacecraft can make highly detailed images of the planet and its moons.