This rock was found in my backyard. What are the white round nodules encased within the rock, and how where they formed?

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• Asked by TADEET
• on 2010-04-27 01:18:15

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Last edited on: 2010-04-27 05:19:59

Categories: Planet Earth.

Tags: rock, Round, volcanic, whitenodules.

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Why are planets round ?

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• Asked by Whitessx
• on 2009-09-27 21:58:05

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Categories: Our universe.

Tags: Planets, Round, Shape.

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