Astronomy

What is the difference between the inner planets and the outer planets?

• The outer planets are smaller than the inner planets 
• The inner planets are smaller than the outer planets
• The outer planets have more rocks than the inner planets
• the inner planets are heavier than  the outer planets

The inner planets are called terrestrial planets because they are composed of

• water
• gas
• frozen surfaces
• rocks

One factor that makes life possible on Earth is

• an atmospher
• water
• greenhouse effect
• gravity

Which planet has a giant red spot?

• Jupiter
• Saturn
• Uranus
• Neptune

Which planet has very prominent rings?

• Jupiter
• Saturn
• Uranus
• Neptune

Which planet is the hottest planet because of its clouds?

• Venus
• Earth
• Mars
• Pluto

Who stated the earth was the center of the solar system?

• Ptolemy
• Copernicus
• Kepler
• Galileo

Who used the telescope to observe the heavens?

• Ptolemy
• Copernicus
• Kepler
• Galileo

What model of the solar system states the sun is the center

• Geocentric Model
• Heliocentric model
• Biocentric modal
• Hydrocentric  model

What model of the solar system states the earth is the center

• Geocentric Model
• Heliocentric model
• Biocentric modal
• Hydrocentric  model