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Astronomy
Test Description: Planets, and orbits
Instructions: Answer all questions to get your test result.
1) Why do the pole stars appear to move around Polaris?
A
The earth rotates on ts axis
B
The earth's orbit is elliptical
C
The earth is an oblate spheroid
D
The earth revolves around the sun
2) Polaris is used for navigation because
A
It circles the earth in a cyclic manner
B
It appears to remain stationary in the sky
C
It's altitude increases as you head toward the equator
D
It rises in the east and sets in the west
3) The rotation of the earth was best proved by
A
The changes in seasons
B
The phases of the moon
C
The movement of constellations in the sky
D
The swinging of the Foucault Pendulum
4) The Milky Way Galaxy is
A
a spiral galaxy consisting of billions of stars
B
an elliptal galaxy consisting of millions of stars
C
a spiral galaxy consisting of hundreds of stars
D
a spiral galaxy consisting of one star, our sun
5) The corilois effect causes winds to
A
defelect to the right in the northern hemisphere and to the left in the southern
B
deflect to the left in the northern hemisphere and to the right in the southern
C
deflect to the right in both hemispheres
D
deflect left in both hemispheres
6) The apparnt motion of the rising and setting of the moon is caused by
A
the earth's rotation
B
the sun's rotation
C
the earth's revolution
D
the sun's revolution
7) Compared to the Jovian planets, the terrestial planets are
A
more dense and larger
B
more dense and smaller
C
less dense and smaller
D
less dense and larger
8) As a planet's eccentricity decreases, the shape will
A
become more eccentric and closer to a circle
B
become more eccentric and more elongated
C
become less eccentric and closer to a circle
D
become less eccentric and more elongated
9) The sun is the center of
A
our solar system
B
our universe
C
the big dipper
D
our galaxy
10) In a geocentric universe
A
all celestial objects revolve around the sun
B
all celestial objects revolve around the earth
C
the earth revolves around the sun but other planets revolve around the earth
D
the sun revolves around the earth but other planets revolve around the sun
*select an answer for all questions
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