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