What are the earth and moon predominantly made of?
The theory of origin of Moon A mars sized body hit earth and outer layers thrown out and formed Moon.So both should have similar materials in outer layer.
See the chart.
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The Moon is mostly composed of oxygen, silicon, magnesium, iron, calcium, aluminum, and traces of other elements; the Earth is mostly composed of iron, oxygen, silicon, magnesium, sulfur, nickel, calcium, and aluminum.
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The Earth is predominantly composed of rock and metal, with its rocky outer layer called the crust, a mantle made of solid but flowing rock, and a dense metallic core primarily composed of iron and nickel. The Moon, on the other hand, is predominantly made of rock, particularly silicate rock, with its surface covered by a layer of lunar regolith, which is a mixture of fine dust, rocky fragments, and debris resulting from meteorite impacts. Additionally, the Moon's interior likely contains a small metallic core, but it is much smaller in comparison to Earth's core.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- What is the order of the planets in terms of age from youngest to oldest?
- Which planet has the longest day (rotational period)? How long does it take to complete an orbit of the Sun?
- Which planet is moving most slowly around the Sun?
- Why is the southern hemisphere warmer than the northern?
- How close was the Moon to the Earth during it's formation?

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