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IMSO 2019 Science International - Theory II Question 19

IMSO Science · IMSO 2019 Science International - Theory II

Question 19

In annular eclipse, the Sun appears as a bright ring surrounding the dark disk of
the Moon, as shown in the figure. Annular eclipse is a special case of solar
eclipse. When it occurs, the Moon, the Sun and the Earth are exactly in line.
In this eclipse:

a. What is the relative position between the Moon, the Sun and the Earth?

b. Is the Moon about the farthest or shortest distance from the Earth?

c. Explain why we do not have a solar eclipse every month even though the Moon

orbits the Earth one cycle in a month.

Question illustration