Predictions

Question 1

• An English astronomer, wondered in 1703 whether a comet had seen in 1682 was the same comet that was seen before.

Answer 1

EDMUND HALLEY

Question 2

• He noted that other comets seen have occurred about 76 years.

Answer 2

EDMUND HALLEY

Question 3

• He was inspired by his friend Isaac Newton who used the laws of gravity and motion to calculate the movements of the Earth and the Moon which have almost circular orbits.

Answer 3

EDMUND HALLEY