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Scientists Studying Two Big Craters On Earth Find Two Causes

Date:
October 29, 2002
Source:
University Of Illinois At Urbana-Champaign
Summary:
Two of the three largest impact craters on Earth have nearly the same size and structure, researchers say, but one was caused by a comet while the other was caused by an asteroid. These surprising results could have implications for where scientists might look for evidence of primitive life on Mars.

CHAMPAIGN, Ill. -- Two of the three largest impact craters on Earth have nearly the same size and structure, researchers say, but one was caused by a comet while the other was caused by an asteroid. These surprising results could have implications for where scientists might look for evidence of primitive life on Mars.


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The above story is based on materials provided by University Of Illinois At Urbana-Champaign. Note: Materials may be edited for content and length.


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University Of Illinois At Urbana-Champaign. "Scientists Studying Two Big Craters On Earth Find Two Causes." ScienceDaily. ScienceDaily, 29 October 2002. <www.sciencedaily.com/releases/2002/10/021028072337.htm>.
University Of Illinois At Urbana-Champaign. (2002, October 29). Scientists Studying Two Big Craters On Earth Find Two Causes. ScienceDaily. Retrieved April 17, 2014 from www.sciencedaily.com/releases/2002/10/021028072337.htm
University Of Illinois At Urbana-Champaign. "Scientists Studying Two Big Craters On Earth Find Two Causes." ScienceDaily. www.sciencedaily.com/releases/2002/10/021028072337.htm (accessed April 17, 2014).

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