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Astronomy DCA 1 Review Flashcards | StudBud
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Astronomy DCA 1 Review
Astronomy DCA 1 Review
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Questions
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Answers
1
If two objects are 50 degrees apart, you can estimate this using how many closed fists?
5
50
10
1
2
The 88 sectors into which the celestial sphere is divided are called...
asterisms
epicycles
zodiacs
constellations
3
Which of these disciplines is recognized as a pure science?
Astronomy
Crystals
Numerology
Astrology
4
As seen from the continental United States, the Big and Little Dipper are:
always on the celestial equator.
always in the north circumpolar zone.
always below the horizon.
always at the zenith.
5
When a planet temporarily moves west in the sky (instead of east as normal), we call it:
ecliptic motion.
precession.
circumpolar motion.
retrograde motion.
6
TRIVIA TIME: In the original Star Wars trilogy, how many Death Stars did the rebels destroy?
1
2
3
0
7
What coordinates can you use in the night sky similar to latitude and longitude?
constellations
right ascension and declination
meridian and great circle
north and east point
8
Which star is currently closest to the North Celestial Pole?
Arcturus
Polaris
Rigel
Betelgeuse
9
Why does the celestial sphere turn around once each day?
The Earth is going around the Sun.
Because of the phases of the Moon.
Precession.
The planet we live on is rotating.
10
Which solar system system model do we accept as correct?
Heliocentric
Ptolemaic
Geocentric
Aristotelean
11
FINAL TRIVIA: What letter does every odd number have in it?
T
O
E
N
12
How did Galileo's work differ from previous astronomers?
He used instruments and experiments
He consulted many authorities instead of working on his own
He believed the Earth was the center of the solar system
He translated the works of ancient Greeks
13
Why is the ecliptic not lined up with the celestial equator?
The equator is different for observers at different locations.
Land is more concentrated in the Northern Hemisphere.
The Earth's axis is tilted by about 23 degrees from vertical.
The Earth's orbit is an ellipse.
14
The strip of sky through which the Sun, the Moon, and the visible planets appear to move is the...
ecliptic.
celestial equator.
circumpolar zone.
horizon.
15
Which phrase about the laws of nature is FALSE?
often written in the language of math
constructed from observations, hypotheses, & experiments
apply both on Earth and among the stars
never change once they are written in a textbook
16
TRIVIA TIME: Which of these comic book characters is NOT a member of The Justice League?
The Flash
Wonder Woman
Superman
Spider-Man
17
What objects did Galileo discover that clearly did NOT go around the Earth?
A ring around the Sun
Moons around Jupiter
The Earth's Moon
Stars in the Milky Way
18
TRIVIA TIME: How many Super Bowl wins do the Dallas Cowboys have?
Six
Five
Four
Three
19
Which astronomer is known for a system of circles upon circles to explain planetary motion?
Ptolemy
Pythagoras
Hipparchus
Copernicus
20
TRIVIA TIME: Which of these Marvel characters did NOT appear in the first Avengers movie (2012)?
Hawkeye
Vision
Black Widow
Ironman
21
Within a constellation, a smaller, recognizable pattern of stars is often called:
an ecliptic.
an asterism.
a zodiac.
a Dipper.
22
Which of these objects has the fastest apparent motion in the sky?
The Moon
The Sun
Venus
The Big Dipper
