(E) Topic 7 - Early models of the Solar System

Question 1

What was the use of detailed observations of solar and lunar cycles by ancient civilisations around the world?

Answer 1

a) agricultural systems
b) religious systems
c) time and calendar systems
d) alignments of ancient monuments

Question 2

What is 1 AU?

Answer 2

1 AU = 1.5 × 108 km

Question 3

What are 2 of Galileo’s observations that supported the heliocentric model?

Answer 3

• For moons that orbited Jupiter
• The apparent size of the planet Venus changes and showed phases