Astronomy Quiz

Aristotle believed the Earth was the center of the universe because:

• It was the largest object.

• He observed Earth’s motion.

• He believed objects fell toward Earth as their natural place.

• The Sun was too small to be the center.

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Which of the following was central to Aristotle's view of the universe?

• Elliptical orbits.

• Imperfect celestial objects.

• Perfect circular motion of celestial bodies.

• Sun-centered orbits.

Ptolemy explained retrograde motion using:

• Elliptical orbits.

• Epicycles and deferents.

• Gravitational attraction.

• Phases of Venus.

The Ptolemaic system was described in:

• Principia Mathematica.

• De Revolutionibus.

• The Almagest.

• Dialogue Concerning the Two Chief World Systems.

The major flaw in Ptolemy’s geocentric model was:

• It did not include the Moon.

• It required complex epicycles to match observations.

• It placed Venus too far from Earth.

• It lacked mathematical calculations.

Copernicus’s heliocentric model proposed that:

• Earth and the planets orbit the Sun.

• Earth rotates around the Moon.

• The Sun orbits Earth.

• The stars orbit Jupiter.

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Copernicus’s model was first published in:

• Principia Mathematica.

• The Almagest.

• De Revolutionibus Orbium Coelestium.

• On the Motion of the Heavens.

Galileo’s discovery of Jupiter’s moons proved that:

• Jupiter orbits the Sun.

• Earth is not the center of all celestial orbits.

• The stars orbit the planets.

• The Moon orbits the Sun.

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NGSS.MS-PS2-4

Galileo used the telescope to:

• Observe retrograde motion.

• Detect elliptical orbits.

• Discover imperfections on celestial objects.

• Confirm Ptolemy’s model.

Which of the following was NOT observed by Galileo?

• Sunspots.

• Rings of Saturn.

• Phases of Venus.

• Neptune.