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Questions and Answers
What is a constellation?
What is a constellation?
Which constellation is often referred to as 'The Great Bear'?
Which constellation is often referred to as 'The Great Bear'?
What are fixed stars?
What are fixed stars?
What did Aristarchus of Samos determine through lunar eclipses?
What did Aristarchus of Samos determine through lunar eclipses?
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During which phase of the moon can more than half of the lighted part be seen from Earth?
During which phase of the moon can more than half of the lighted part be seen from Earth?
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What event occurs when the Earth casts its shadow on the moon while being between the Sun and the Moon?
What event occurs when the Earth casts its shadow on the moon while being between the Sun and the Moon?
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In Tycho Brahe's geoheliocentric system, what is at the center of the universe?
In Tycho Brahe's geoheliocentric system, what is at the center of the universe?
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What was Tycho Brahe's innovation in astronomy related to the perception of light?
What was Tycho Brahe's innovation in astronomy related to the perception of light?
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What phase of the moon occurs when the Earth is between the moon and the sun and the face of the moon is fully lighted?
What phase of the moon occurs when the Earth is between the moon and the sun and the face of the moon is fully lighted?
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Where was the supernova SN 1572 observed?
Where was the supernova SN 1572 observed?
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When does a solar eclipse occur?
When does a solar eclipse occur?
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What phase of the moon occurs when more than one-half of the lighted part is seen from Earth?
What phase of the moon occurs when more than one-half of the lighted part is seen from Earth?
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