Historical Models of the Solar System

1.6 The Solar System, a history lesson

6.E.1.2 Explain why Earth sustains life while other planets do not  based on their properties (including types of surface, atmosphere and gravitational force) and location to the Sun.

Multiple Choice

The heliocentric system gained support when Galileo observed that:

• one side of the moon always faces Earth.

• most of the smaller planets are closer to the sun.

• Venus goes through phases similar to those of Earth’s moon.

• the orbit of each planet is an ellipse.

Multiple Choice

In a heliocentric system, Earth revolves around:

• Mars.

• the stars.

• the Moon.

• the Sun.

Multiple Choice

The fact that each planet’s orbit is an ellipse was discovered by:

• Copernicus

• Galileo

• Kepler

• Brahe