Properties of our solar system and its motions

Fill in the Blanks

The diagram to the left represents a simple geocentric model. Which object is represented by the letter X?

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Categorize

Options (10)

less mass

smaller diameter

more dense

rocky

Mercury, Venus, Earth, Mars

more mass

bigger diameter

less dense

gaseous

Jupiter, Saturn, Uranus, Neptune

Organize these options into the right categories

Terrestrial Planets

Jovian Planets

Multiple Choice

1. The actual shape of the Earth's orbit around the Sun is best described as

• 1. a very eccentric ellipse

• 1. a slightly eccentric ellipse

• 1. an oblate spheroid

• 1. a perfect circle

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