Senior Secondary · 11-12 · Earth Science
How many planets are in our solar system?
8
What is the name of our galaxy?
The Milky Way
How long does it take Earth to complete one rotation on its axis?
About 24 hours (1 day)
How long does it take Earth to complete one revolution around the Sun?
About 365.25 days (1 year)
What causes the phases of the Moon?
The changing angle from which we see the sunlit half of the Moon as it orbits Earth
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