In what year was stellar parallax first measured?
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- Intermediate Intermediate difficulty.
- The Heliocentric Model
Which ancient Greek astronomer is the earliest known proposer of a heliocentric model?
Answer
Aristarchus of Samos
- Intermediate Intermediate difficulty.
- The Heliocentric Model
Which Galilean moon is the largest moon in the Solar System?
Answer
Ganymede
- Easy Easy difficulty.
- The Heliocentric Model
In the modern heliocentric order, which planet orbits between Earth and Jupiter?
Answer
Mars
- Hard Hard difficulty.
- The Heliocentric Model
Which bishop and friend of Copernicus encouraged him to publish De revolutionibus?
Answer
Tiedemann Giese
- Hard Hard difficulty.
- The Heliocentric Model
Which papal secretary gave a 1533 Rome lecture on Copernicus's heliocentric theory?
Answer
Johann Widmannstetter
- Intermediate Intermediate difficulty.
- The Heliocentric Model
Which Jesuit astronomer disputed Galileo's interpretation of sunspots?
Answer
Christoph Scheiner