1. If you are standing at the Earth's north pole, which of the following
will be directly overhead?
A The celestial equator.
C The zodiac.
DThe north celestial pole.
2. A planet in retrograde motion
Arises in the west and sets in the
B shifts westward with respect to the
Cshifts eastward with respect to the
Dwill be at the north celestial
Ewill be exactly overhead no matter
where you are on Earth.
3. The circular shape of the Earth's shadow on the Moon led early
astronomers to conclude that
Athe Earth is a sphere.
Bthe Earth is at the center of the
Cthe Earth must be at rest.
Dthe Moon must orbit the Sun.
Ethe Moon is a sphere.
4. Galileo used his observations of the changing phases of Venus to
A the Sun moves around the Earth.
B the Universe is infinite in
C the Earth is a sphere.
D the Moon orbits the Earth.
E Venus follows an orbit around the
Sun rather than around the Earth.
5. Kepler's third law
A relates a planet's orbital period
to the size of its orbit around the Sun.
B relates a body's mass to its
C allowed him to predict when
D allowed him to measure the distance
to nearby stars
E showed that the Sun is much farther
away than the Moon.