Unit 7 ( Our Solar System)

Who suggested that the Sun was the center of the solar system in 1543?

• Galileo Galilei

• Isaac Newton

• Nicolaus Copernicus

• Johannes Kepler

What does the term "heliocentric" mean?

• Earth-centered

• Sun-centered

• Moon-centered

• Star-centered

Tags

NGSS.MS-ESS1-1

What does AU stand for in astronomy?

• Astronomical Unit

• Astronomical Universe

• Astronomical Utility

• Astronomical Usage

Tags

NGSS.MS-ESS1-3

Which planet is mentioned as being 1.52 AU from the Sun?

• Earth

• Venus

• Mars

• Jupiter

Tags

NGSS.MS-ESS1-3

What defines the shape of a planet's elliptical orbit?

• Eccentricity

• Velocity

• Gravity

• Mass

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

What is the primary composition of interstellar clouds?

• Carbon dioxide and methane
• Oxygen and nitrogen
• Silicon and iron
• Hydrogen molecules, helium, and trace heavy elements.

What is Keplers first law of planetary motion?

• Planets move in circular orbits around the Earth.
• The Sun moves in a straight line around the planets.
• Planets are stationary and the Sun orbits them.
• Planets move in elliptical orbits with the Sun at one focus.

Which planet is known for having retrograde rotation?

• Saturn
• Mars
• Venus
• Jupiter

Which of the following is the hottest planet?

• Venus
• Jupiter
• Mercury
• Mars

Which feature is unique to Uranus?

• Uranus's rings are the largest in the solar system.
• Uranus has the highest surface temperature among the gas giants.
• Uranus is the only planet that rotates clockwise.
• Uranus is on its side