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Director / Editor: Victor Teboul, Ph.D.
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What created the continents? New evidence points to giant asteroids

By Tim Johnson, Associate Professor, Curtin University
Earth is the only planet we know of with continents, the giant landmasses that provide homes to humankind and most of Earth’s biomass.

However, we still don’t have firm answers to some basic questions about continents: how did they come to be, and why did they form where they did?

One theory is that they were formed by giant meteorites crashing into Earth’s crust long ago. This ideaThe Conversation


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