AST 101 Review Exam Questions with 100% satisfaction
guarantee Answers 2025/2026
Waning crescent - correct answer Which phase of the moon do you expect
to see rising at dawn?
9:10 am - correct answer If the moon sets at 10 am, approximately what
time did the moon set yesterday?
Full moon - correct answer During which phase of the mon do you expect to
observe a lunar eclipse?
New moon - correct answer During which phase of the moon do you expect
to observe a solar eclipse?
It's an illusion from comparison to objects on the horizon. - correct answer
The moon appears larger when it rises than when it is high in the sky because
...
Semi-major axis of an orbit cubed equals the period squared. - correct
answer Kepler's 3rd, or harmonic, law states that the...
23 degrees - correct answer The paths of the planets on the sky are tilted
with respect to the celestial equator by about how many degrees?
Circular - correct answer Copernicus' heliocentric model failed to work as
well as it might to predict the positions of planets because Copernicus insisted
the orbits were...
, A supernova (exploding star); much farther away than the planets. A comet;
outside the Earth's atmosphere. - correct answer 2 of Tycho Brahe's major
contributions to astronomy were to prove that _____ was _____. (2 answers
per blank.)
Eratsothenes - correct answer Who was the first person to measure the
circumference of the Earth?
The records of ancient Chinese, Japanese, and Korean astronomers - correct
answer One of the methods used to date supernova remnants (the remains
of exploded stars) today is by using...
Sun, planets, Earth and moon - correct answer What objects pass through
the zodiac?
At the time of the Greeks - correct answer When was it first known that the
Earth was spherical in shape?
Retrograde motion - correct answer Occasional east to west motion of the
planets relative to the stars over many successive nights
About 70 meters - correct answer What is the size of an object located at a
distance of 1000 meters and that has angular size A = 4 degrees?
It was more aesthetically pleasing than the complicated Ptolemaic model. -
correct answer The general heliocentric model proposed by Copernicus
was appealing, and eventually became preferred, because...
Heliocentric - correct answer In _________ models, the sun is assumed as
the center of the solar system.
guarantee Answers 2025/2026
Waning crescent - correct answer Which phase of the moon do you expect
to see rising at dawn?
9:10 am - correct answer If the moon sets at 10 am, approximately what
time did the moon set yesterday?
Full moon - correct answer During which phase of the mon do you expect to
observe a lunar eclipse?
New moon - correct answer During which phase of the moon do you expect
to observe a solar eclipse?
It's an illusion from comparison to objects on the horizon. - correct answer
The moon appears larger when it rises than when it is high in the sky because
...
Semi-major axis of an orbit cubed equals the period squared. - correct
answer Kepler's 3rd, or harmonic, law states that the...
23 degrees - correct answer The paths of the planets on the sky are tilted
with respect to the celestial equator by about how many degrees?
Circular - correct answer Copernicus' heliocentric model failed to work as
well as it might to predict the positions of planets because Copernicus insisted
the orbits were...
, A supernova (exploding star); much farther away than the planets. A comet;
outside the Earth's atmosphere. - correct answer 2 of Tycho Brahe's major
contributions to astronomy were to prove that _____ was _____. (2 answers
per blank.)
Eratsothenes - correct answer Who was the first person to measure the
circumference of the Earth?
The records of ancient Chinese, Japanese, and Korean astronomers - correct
answer One of the methods used to date supernova remnants (the remains
of exploded stars) today is by using...
Sun, planets, Earth and moon - correct answer What objects pass through
the zodiac?
At the time of the Greeks - correct answer When was it first known that the
Earth was spherical in shape?
Retrograde motion - correct answer Occasional east to west motion of the
planets relative to the stars over many successive nights
About 70 meters - correct answer What is the size of an object located at a
distance of 1000 meters and that has angular size A = 4 degrees?
It was more aesthetically pleasing than the complicated Ptolemaic model. -
correct answer The general heliocentric model proposed by Copernicus
was appealing, and eventually became preferred, because...
Heliocentric - correct answer In _________ models, the sun is assumed as
the center of the solar system.
