9/12/23 Early Astronomy and Gravity

What is a geocentric solar system?

• Earth-centered solar system

• Sun-centered solar system

• Galilean system

• Galaxy-centered solar system

What type of solar system model is shown?

• geocentric

• heliocentric

• perihelion

• Galilean

Tags

NGSS.MS-ESS1-1

Planets orbit in the shape of an ellipse. Which of Kepler's laws is this?

• 1st Law of Planetary Motion

• 2nd Law of Planetary Motion

• 3rd Law of Planetary Motion

• 4th Law of Planetary Motion

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Which astronomer altered the geocentric model with epicycles to explain retrograde motion?

• Ptolemy

• Aristotle

• Brahe

• Aristarchus

Which astronomer designed a telescope and discovered the moons of Jupiter?

• Ptolemy

• Kepler

• Copernicus

• Galileo

Which astronomer believed that gravity and inertia keep the planets in orbit?

• Kepler

• Copernicus

• Galileo

• Newton

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Who made accurate measurements of objects in space before the invention of a telescope?

• Tycho Brahe

• Nicolaus Copernicus

• Johannes Kepler

• Isaac Newton

Which astronomer developed the first detailed heliocentric model of the solar system?

• Newton

• Ptolemy

• Copernicus

• Galileo

Which of the following astronomers believed in a geocentric model of the solar system?

• Ptolemy

• Kepler

• Galileo & Copernicus

• All astronomers

What was the missing force in Kepler's 3 Laws of Planetary Motion that Newton later discovered?

• Eccentricity

• Weight

• Mass

• Gravity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4