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Astronomy 101 Exam#1 Review Questions
And Answers |Latest 2025 | Guaranteed Pass.
The Big Bang - Answer✔What is the name of our theory of how the Universe began?
14 billion years - Answer✔Approximately how old is the universe?
4.5 billion years - Answer✔Approximately how old is our Solar System?
A strong release of energy from the stars - Answer✔How did elements such as carbon, iron etc.
form?
A group of stars formed together usually named after a mythological figure - Answer✔What is a
constellation?
A group of stars typically smaller than a constellation - Answer✔What is an asterism?
88 - Answer✔How many constellations fill the sky?
The galaxy that contains our solar system - Answer✔What is the milky way?
3/4 to the edge from the middle? - Answer✔Where in the milky way is our solar system?
6,000 - Answer✔How many stars can we see w the naked eye?
The tilt of earths axis orbiting around the sun - Answer✔What causes seasons?
- Answer✔How does the sun's altitude in the sky change with the season?
The angles of sunlight - Answer✔What causes the phases of the Moon?
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?
1
Astronomy 101 Exam#1 Review Questions
And Answers |Latest 2025 | Guaranteed Pass.
The Big Bang - Answer✔What is the name of our theory of how the Universe began?
14 billion years - Answer✔Approximately how old is the universe?
4.5 billion years - Answer✔Approximately how old is our Solar System?
A strong release of energy from the stars - Answer✔How did elements such as carbon, iron etc.
form?
A group of stars formed together usually named after a mythological figure - Answer✔What is a
constellation?
A group of stars typically smaller than a constellation - Answer✔What is an asterism?
88 - Answer✔How many constellations fill the sky?
The galaxy that contains our solar system - Answer✔What is the milky way?
3/4 to the edge from the middle? - Answer✔Where in the milky way is our solar system?
6,000 - Answer✔How many stars can we see w the naked eye?
The tilt of earths axis orbiting around the sun - Answer✔What causes seasons?
- Answer✔How does the sun's altitude in the sky change with the season?
The angles of sunlight - Answer✔What causes the phases of the Moon?
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?
1
