Unit 1 Solar System

Who proposed the heliocentric theory of the Solar System?

• Copernicus

• Aristotle

• Ptolemy

• Galileo

Who proposed the geocentric theory of the Solar System?

• Copernicus

• Aristotle

• Ptolemy

• Galileo

True or False

The universe continues to expand.

• True

• False

True or False

The solar system formed at the same time as the Big Bang Theory.

• True

• False

True or False

The Big Bang is the only existing theory to explain the origin of the universe.

• True

• False

The Big Bang Theory suggests that the universe formed billions of years ago through a big explosion.

• True

• False

Identify the objects that are part of our solar system.

• The Sun, Planets, Asteroids, Comets, Meteoroids

• The Space, Meterites, Galaxy, sun, planets

Describe the location of the Sun in our Milky Way.

• Galatic center

• On the Orion Arm

• On the Halo

• On the Perseus Arm

Describe the Inner planets and describe how they are different.

• Mercury, Venus, Earth, Mars

  Terrestrial Planets

  (made of rocks)

• Jupiter, Saturn, Uranus, Neptune

  Gas Giants

  (made of gasses)

Identify the Outer Planets in our Solar System and describe how they are different.

• Mercury, Venus, Earth, Mars

  Terrestrial planets

  (made of rock)

• Jupiter, Saturn, Uranus, Neptune

  Gas Giants

  (made of gasses)