The Origins Of Astronomy Ch 22: Question Preview (ID: 9156)

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Which of the following was unknown to ancient Greeks?
a) Earth
b) Mars
c) Venus
d) Uranus

One AU averages about
a) 39 million km
b) 150 million km
c) 93 million km
d) 210 million km

Using Tycho Brahe's data, which scientist proposed three laws of planetary motion?
a) Newton
b) Galileo
c) Kepler
d) Copernicus

What is the shape of a planet's orbit?
a) elliptical
b) irregular
c) circular
d) parabolic

Earth is closest to the sun at a point called
a) apogee
b) precession
c) aphelion
d) perihelion

Which movement of the Earth is responsible for night and day?
a) rotation
b) revolution
c) precession
d) perigee

During the period that the moon's phases are changing from new to full, the moon is
a) waning
b) approaching Earth
c) waxing
d) distancing itself from Earth

Round depressions on the moon's surface are called
a) highlands
b) maria
c) meteorites
d) craters

How old is the moon?
a) much older than Earth
b) much younger than Earth
c) about the same age as Earth
d) older than the Sun

How does crater density relate to the moon's geologic history?
a) High crater density is associated with younger surfaces
b) High crater density is associated with older surfaces
c) Crater density and geologic age are not related
d) Low crater density indicates an active geologic past

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