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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
Kepler
C
Newton
D
Copernicus
2) According to the third law of planetary motion, the period of revolution of a planet is related to the planet's_______.
A
orbital speed
B
gravitational attraction
C
distance to the sun
D
size
3) Earth's axis slowly but continuously points in different directions, a movement known as _________.
A
precession
B
revolution
C
rotation
D
retrograde motion
4) When is the daily tidal range greatest?
A
spring tide
B
neap tide
C
ebb tide
D
flood tide
5) Using the Doppler effect, astronomers can determine a star's _______.
A
movement away or towards Earth
B
age
C
temperature
D
chemical composition
6) Gamma rays, X-rays, visible light, and radio waves are all types of ______.
A
nuclear energy
B
chromatic aberration
C
ultraviolet radiation
D
electromagnetic spectrum
7) The moon's period of revolution is 27 1/3 days, and its period of rotation is _____.
A
33 1/3 days
B
30 2/3 days
C
27 1/3 days
D
29 1/2 days
8) What phase is the moon in just after 1st quarter?
A
waning gibbous
B
cresent
C
waxing gibbous
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
barycenter
D
nutation
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
bound orbits
B
unbound orbits
C
geosynchronous orbits
D
nutation
11) Seasons are caused by ______.
A
Earth's precession
B
Earth's rotation
C
Earth's tilted axis
D
Earth's distance from the sun
12) What occurs when the moon casts its shadow on Earth?
A
synodic month
B
solar eclipse
C
sidereal month
D
lunar eclipse
13) Earth is closest to the Sun at a point called______.
A
aphelion
B
perihelion
C
apogee
D
perigee
14) Round depressions on the moon's surface are called_____.
A
craters
B
maria
C
highlands
D
meteorites
*select an answer for all questions
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