How much do you know about the Moon? In this article, we’ll present fun facts about the Moon in a quiz format—from basic information to celestial events, as well as history and culture related to the Moon.
In the article, you can tap “Show Answer” to reveal the answers, so you can also enjoy it as a trivia quiz.
If you come across a question you don’t know the answer to, take this opportunity to look it up and use it as a chance to deepen your knowledge about the Moon!
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Trivia about the Moon. A quick-fire quiz! (1–10)
In fact, the Moon is gradually moving away from the Earth, but by how many centimeters per year is it receding?
- 2.5 cm
- 3.8 cm
- 4.5 cm
See the answer
3.8 cm
It has been confirmed that the Moon is moving away from the Earth at a rate of about 3.8 cm per year. This is due to changes arising over long periods from the tidal interactions between the Moon and the Earth, and over billions of years the Moon will retreat a considerable distance from the Earth.
Which hypothesis has been proposed to explain the Moon’s origin?
- Capture theory
- expansion theory
- Giant Impact hypothesis
See the answer
Giant Impact hypothesis
Regarding the Moon’s origin, the most widely supported idea today is the Giant Impact hypothesis. According to this hypothesis, the Moon formed as a result of a Mars-sized body colliding with the young Earth. Other proposed ideas include the fission hypothesis, the co-formation (sibling) hypothesis, and the capture hypothesis.
How many kilometers is the Moon’s diameter?
- 1,738 km
- 3,474 km
- 12,742 km
See the answer
3,474 km
The Moon’s diameter is about 3,474 km. This is roughly one quarter of Earth’s diameter, and considering that Earth’s diameter is about 12,742 km, we can see that it’s quite small.
How long does it take the Moon to make one full orbit around the Earth?
- about 7 days
- about 14 days
- about 28 days
See the answer
about 28 days
The period it takes for the Moon to make one orbit around the Earth is about 27.3 days. However, because the Earth is also orbiting the Sun, the synodic period, which represents the phases of the Moon, is about 29.5 days.
What about the Moon causes the tides on Earth?
- gravity
- Electromagnetic force
- Moonlight
See the answer
gravity
The tides on Earth are caused by the Moon’s gravity. The Moon and Earth attract each other gravitationally, and this pull on seawater produces the tides on Earth. In particular, when the Moon is at its closest point to Earth, the gravitational effect increases, causing larger high (and low) tides. This is called tidal force.