Which planet has the shortest orbital period around the Sun?
Answer
Mercury
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Which 1651 Riccioli book assessed many arguments about Earth's motion?
Answer
Almagestum Novum
Which Islamic-astronomy theorem named for al-Urdi appears in Copernican models?
Answer
Urdi lemma
Which Hellenistic astronomer is known as a follower of Aristarchus's heliocentrism?
Answer
Seleucus of Seleucia
Which work by Archimedes preserves a report of Aristarchus's Sun-centered hypothesis?
Answer
The Sand Reckoner
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Latest trivia questions
Which 1651 Riccioli book assessed many arguments about Earth's motion?
Answer
Almagestum Novum
Which Hellenistic astronomer is known as a follower of Aristarchus's heliocentrism?
Answer
Seleucus of Seleucia
Which work by Archimedes preserves a report of Aristarchus's Sun-centered hypothesis?
Answer
The Sand Reckoner
Which 1551 Erasmus Reinhold tables helped spread Copernican calculation methods?
Answer
Prutenic Tables
Which 1627 tables by Kepler improved planetary predictions using Tycho's data?
Answer
Rudolphine Tables
Which 1596 Kepler book was an early published defense of Copernican astronomy?
Answer
Mysterium Cosmographicum
Which cardinal urged Copernicus in 1536 to publish his heliocentric theory?
Answer
Nikolaus von Schönberg
At which Italian university did Copernicus study medicine after Bologna?
Answer
University of Padua
Which university awarded Copernicus a doctorate in canon law in 1503?
Answer
University of Ferrara