Astronomy & the Renaissance

What made Copernicus realize that Ptolemy’s model had flaws?

• He had evidence that planets orbits were elliptical

• A planet’s position would change by two degrees with Ptolemy’s mode

Who came up with the concept of the heliocentric solar system?

• Claudius Ptolemy

• Tycho Brahe

• Johannes Kepler

• Nicolaus Copernicus

Who came up with the concept of the heliocentric solar system?

• Claudius Ptolemy

• Tycho Brahe

• Johannes Kepler

• Nicolaus Copernicus

What was Kepler’s first law of planetary motion?

• Planets move fastest at perihelion

• Planets move fastest at aphelion

• Planets move in elliptical motions

• Gravity keeps planets near the sun

What was Kepler’s second law of planetary motion?

• Planets move fastest at perihelion

• Planets move fastest at aphelion

• Planets move in elliptical motions

• Gravity keeps planets near the sun

What was Kepler’s third law of planetary motion?

• Planets move fastest at perihelion

• Planets move fastest at aphelion

• Planets move in elliptical motions

• Gravity keeps planets near the sun

What can be calculated with Kepler’s equation?

• The distance of a planet from the sun

• The time it takes a planet to complete an orbit

• The distance traveled by a planet during an orbit

• The relationship between the time it takes a planet to orbit and its distance from the sun

Where the Earth and other planets orbit the Sun

• Geocentric Model

• Ptolemaic Model

• Heliocentric Model

• Centralized Model

A shift from Ptolemy’s geocentric model to the heliocentric model with the Sun at the center of the Solar System

• Scientific Revolution

• Copernican Revolution

• Brahe Revolution

• Kepler Revolution

Changes in thoughts and beliefs in modern science that occurred from 1550-1700

• Scientific Revolution

• Copernican Revolution

• Brahe Revolution

• Kepler Revolution