Unit 1- Intro to Astronomy

What model of the Solar System has the Earth at the center of the universe?

• Geocentric

• Heliocentric

• Ptolemaic

• Copernican

Which model of the universe has the Sun as the center?

• Geocentric

• Heliocentric

• Ptolemaic

• Copernican

Who was the first person to propose a heliocentric model of the universe?

• Archimedes

• Aristarchus

• Ptolemy

• Galileo

After the MIddle Ages, the astronomer who changed the model of the solar system by placing the sun at its center was

• Galileo

• Ptolemy

• Copernicus

• Kepler

Which astronomer discovered that the planets orbit the sun in oval-shaped paths called ellipses?

• Kepler

• Brahe

• Galileo

• Archimedes

Whose most important contribution to anstronomy was his description of the behavior of moving objects?

• Kepler

• Brahe

• Galileo

• Archimedes

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Who was the first peron to formulate and test the law of universal gravitation?

• Netwon

• Kepler

• Brahe

• Aristarchus

Tags

NGSS.HS-PS2-4

The spinning of Earth on its axis is called

• revolution

• procession

• rotation

• perihelion

What is Earth's motion in its path around the sun called?

• aphelion

• rotation

• procession

• revolution

Tags

NGSS.MS-ESS1-1

The slow change in the direction in which Earth's axis tilts is called

• apheliion

• rotation

• precession

• revolution