Question

Help please!!!!!! What are 4 similarities and 4 differences of a historical and a current solar system model?

Answer 1

Differences:
Historic model
1. That model shows the planet's orbits as perfect circles, not ellipses.
2. Aristotle believed in a geocentric (Earth centered) solar system, while it actually is heliocentric Sun centered).
3. That model didn't show all the planets we know today, such as Neptune, Uranus, etc.
4. A lot of that model was based on religious beliefs.

Moden model
1. Our model shows the orbits as ellipses.
2. Our model shows a heliocentric solar system.
3. Our model shows all the planets we know today.
4. Our model has nothing to do with religion.

Similarities:
1. They both are based on the same solar system.
2. They both show the inner planets, the Moon, the Sun, Jupiter, and Saturn.
3. The both were made by many observations of the sky.

Answer 2

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