Q:

What is the moon made of?

A:

Quick Answer

The lunar crust is made of 43 percent oxygen, 20 percent silicon, 19 percent magnesium, 10 percent iron, 3 percent calcium and 3 percent aluminum. The moon's core is thought to consist of iron, sulfur and nickel, with the largest middle layer, or mantle, composed of olivine, clinopyroxene and orthopyroxene.

  Know More
What is the moon made of?
Credit: gft Moment Open Getty Images

Full Answer

The moon’s core occupies about 2 percent of the moon’s entire mass and is in a partly molten state. The moon’s surface layer also has trace amounts of 0.42 percent chromium, 0.18 percent titanium, 0.12 percent manganese, potassium, uranium, thorium, hydrogen and a few more elements. All these elements form a strong layer called regolith. Mafic plutonic and maria basalt are the two types of rocks found in the regolith.

Learn more about Our Moon

Related Questions

  • Q:

    How old is the moon?

    A:

    The scientific consensus is that the Earth's moon formed four and half billion years ago. About 100 million years after the formation of the solar system, another small planet is likely to have collided with the Earth, resulting in the formation of the Moon.

    Full Answer >
    Filed Under:
  • Q:

    Where does the moon rise?

    A:

    The moon rises in the eastern sky and sets in the western sky because of Earth's rotation. Its rising and setting positions vary throughout the year from northeast/northwest to due east/west to southeast/southwest.

    Full Answer >
    Filed Under:
  • Q:

    How long is a moon day?

    A:

    According to NASA, one moon day is equal to 27 Earth days, which is the time the moon takes to complete its spin. The moon is tidally locked, so it always shows the same face to the Earth.

    Full Answer >
    Filed Under:
  • Q:

    What is a Blue Moon?

    A:

    A Blue Moon is the second of two full moons in one calendar month. The term originated from modern folklore. The moon doesn't actually appear to shine the color blue; rather, it looks like regular full moons.

    Full Answer >
    Filed Under:

Explore