Astronomy 101 Exam#1 Review
questions and Verified Answers
When the moon passes directly in line with earth and sun during new moon and full moon
phases - ANSWER What causes eclipses?
28 days approx - ANSWER How long does it take the moon to orbit earth?
the Moon rotates about its spin axis at the same rate that the Moon orbits the Earth -
ANSWER Why do we only see one side of the moon?
Mercury, Venus, Mars, Jupiter, and Saturn - ANSWER Which planets were known in
ancient times?
the apparent motion of a planet in a direction opposite to that of other bodies within its
system - ANSWER What is retrograde motion?
Observation, hypothesis, test hypothesis - ANSWER How is science conducted?
- ANSWER How did ancient civilizations use astronomical observations?
Greek gods - ANSWER Where did the names of the week come from?
Greeks were some of the first to notice astronomical changes - ANSWER Why does
modern science trace its roots to the Greeks?
Hans Lippershey - ANSWER Who created the telescope?
An oval orbit path (planets orbit) - ANSWER What is an ellipse?
questions and Verified Answers
When the moon passes directly in line with earth and sun during new moon and full moon
phases - ANSWER What causes eclipses?
28 days approx - ANSWER How long does it take the moon to orbit earth?
the Moon rotates about its spin axis at the same rate that the Moon orbits the Earth -
ANSWER Why do we only see one side of the moon?
Mercury, Venus, Mars, Jupiter, and Saturn - ANSWER Which planets were known in
ancient times?
the apparent motion of a planet in a direction opposite to that of other bodies within its
system - ANSWER What is retrograde motion?
Observation, hypothesis, test hypothesis - ANSWER How is science conducted?
- ANSWER How did ancient civilizations use astronomical observations?
Greek gods - ANSWER Where did the names of the week come from?
Greeks were some of the first to notice astronomical changes - ANSWER Why does
modern science trace its roots to the Greeks?
Hans Lippershey - ANSWER Who created the telescope?
An oval orbit path (planets orbit) - ANSWER What is an ellipse?
