science

posted by polly

explain why earth has a moon

  1. Count Iblis

    http://arxiv.org/abs/astro-ph/0405372

  2. polly

    thank you

  3. drwls

    It was an accident. A very large asteroid is believed to have hit the earth billions of years ago and that the moon was released as a molten blob by the impact. Later it cooled down to a sphere, as the Earth did.

    See http://www.psi.edu/projects/moon/moon.html
    for more details about the theory

Respond to this Question

First Name

Your Answer

Similar Questions

  1. science science science science science science

    The moon orbits around the earth.Which of the following keeps the moon traveling in the same path each time it orbits the earth?
  2. Physics

    A satellite is placed between the Earth and the Moon, along a straight line that connects their centers of mass. The satellite has an orbital period around the Earth that is the same as that of the Moon, 27.3 days. How far away from …
  3. science

    The pull of gravity keeps the Moon in orbit around Earth. The distance between the Earth and Moon is about 380,000 kilometers. A crew of astronauts leaves Earth on a Monday and lands on the Moon on a Thursday. They land on the side …
  4. science

    How does gravity affect the moon? a) it pulls the moon toward earth b) it pushes the moon away from earth c) t allows the moon to move in a straight line d) it keeps the moon from colliding with the sun
  5. science

    why can you never see the far side of the moon from Earth ?
  6. science

    A person who weighs 600 newtons on Earth would weigh only 100 newtons on the Moon. Which statement best explains why?
  7. science

    a crew of astronauts leaves earth on a Monday , lands on the moon on a Thursday. they and on the side of the moon facing away from the earth. on what day would the astronauts be able to see earth from the moon, explain
  8. Physics

    Many astronomers argue that the Earth and Moon should be considered a double planet,since the gravitational force by the sun on the Moon is approximately as big as that by the Earth on the moon.Using the data below for the Earth and …
  9. Moon Science

    What causes the phases of the moon as observed from the Earth?
  10. Physics

    A spacecraft is on a journey to the moon. At what point, as measured from the center of the earth, does the gravitational force exerted on the spacecraft by the earth balance that exerted by the moon?

More Similar Questions