|
Title: The age of the Moon, as determined by radioactive measurements of rocks brought back by astronauts, ... Post by: staedtler on Mar 21, 2017 The age of the Moon, as determined by radioactive measurements of rocks brought back by astronauts, appears to be
(a) similar to that of Earth, about 4.6 billion years. (b) very much younger than Earth, indicating that it was probably broken from the Earth by a collision about 1 billion years ago. (c) very much older than Earth, suggesting that it formed elsewhere in the Universe and was subsequently captured by the gravitational field of Earth. Title: Re: The age of the Moon, as determined by radioactive measurements of rocks brought back by ... Post by: hyponotica on Mar 21, 2017 Content hidden
Title: Re: The age of the Moon, as determined by radioactive measurements of rocks brought back by astronauts, ... Post by: staedtler on May 1, 2017 I really appreciate your help!
|