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Astronomy 2
Test Description: Multiple topics in astronomy
Instructions: Answer all questions to get your test result.
1) Using Tycho Brahe's data, which scientist proposed three laws of planetary motion?
A
Galileo
B
Copernicus
C
Kepler
D
Newton
2) According to the third law of planetary motion, the period of revolution of a planet is related to the planet's_______.
A
gravitational attraction
B
orbital speed
C
distance to the sun
D
size
3) Earth's axis slowly but continuously points in different directions, a movement known as _________.
A
revolution
B
precession
C
rotation
D
retrograde motion
4) When is the daily tidal range greatest?
A
spring tide
B
neap tide
C
flood tide
D
ebb tide
5) Using the Doppler effect, astronomers can determine a star's _______.
A
movement away or towards Earth
B
temperature
C
age
D
chemical composition
6) Gamma rays, X-rays, visible light, and radio waves are all types of ______.
A
chromatic aberration
B
electromagnetic spectrum
C
nuclear energy
D
ultraviolet radiation
7) The moon's period of revolution is 27 1/3 days, and its period of rotation is _____.
A
29 1/2 days
B
27 1/3 days
C
30 2/3 days
D
33 1/3 days
8) What phase is the moon in just after 1st quarter?
A
waning gibbous
B
waxing gibbous
C
cresent
D
new moon
9) The center of mass of two or more bodies, usually bodies orbiting around each other, such as the Earth and the Moon is called______________.
A
rotation
B
precession
C
nutation
D
barycenter
10) Bodies which are gravitationally bound to one of the planets in a planetary system, either natural or artificial satellites, follow orbits about a barycenter near or within that planet are called _____.
A
unbound orbits
B
nutation
C
bound orbits
D
geosynchronous orbits
11) Seasons are caused by ______.
A
Earth's rotation
B
Earth's tilted axis
C
Earth's distance from the sun
D
Earth's precession
12) What occurs when the moon casts its shadow on Earth?
A
solar eclipse
B
sidereal month
C
synodic month
D
lunar eclipse
13) Earth is closest to the Sun at a point called______.
A
perihelion
B
aphelion
C
perigee
D
apogee
14) Round depressions on the moon's surface are called_____.
A
meteorites
B
highlands
C
maria
D
craters
*select an answer for all questions
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