Q:

What are lunar features?

A:

Quick Answer

Lunar features are the physical characteristics present on the moon, such as the craters, maria and highlands. The maria are the dark, flat plains on the moon whereas the highlands are raised areas on the surface of the moon. These features are the result of the moon being hit by space rocks, asteroids and comets.

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Full Answer

The maria are the dark-colored areas of the moon and are mainly seen on the near side of the moon, the side of the moon that always faces Earth; the far side of the moon contains very few of these plains. Maria are smooth and don't contain many craters. They are known to be younger than the highlands because areas with a greater number of craters are older. The maria formed when objects impacted the moon, cracking its surface and allowing lava to ooze through the cracks, spreading across the terrain. Rocks taken from the maria were found to be about 3.8 million years old. The lunar maria were once believed to be seas filled with water, but scientists have since found that this is not the case.

The lunar highlands are the lighter parts of the moon. Rocks found in these regions are about 4.2 billion years old. The highlands are filled with craters, including some that formed within other craters. The moon's craters are mainly the result of bombardment from space debris during the time when the solar system was still being formed.

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Related Questions

  • Q:

    What are the light spots on the moon called?

    A:

    The light spots on the moon are called lunar highlands. The darker areas of the moon are called maria, and they are lower in altitude than the lighter spots. The highlands lie several kilometers above the maria.

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  • Q:

    How did the lunar maria form?

    A:

    Scientists believe that lunar maria formed from lava flows caused when the surface of the moon was disrupted by the impacts of gigantic meteors and comets. Maria is the plural of "mare," which is Latin for sea. One of the most famous of the lunar maria is the Sea of Tranquility, which was the site of the first moon landing.

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    Who was the first person on the moon?

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    Neil Armstrong was the first person to walk on the moon on July 20, 1969. He was an astronaut on the Apollo 11 mission, which had the goal to land two men on the moon.

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    When was the moon first discovered?

    A:

    It is likely that the moon was discovered as soon as people decided to look to the sky. The moon is a lot older than the human race, so it would have always been in the sky for people to observe.

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