abstract:Parent material is the underlying geological material (generally bedrock or a superficial or drift deposit) in which soil horizons form. Soils typically inherit a great deal of structure and minerals from their parent material, and, as such, are often classified based upon their contents of consolidated or unconsolidated mineral material that has undergone some degree of physical or chemical weathering and the mode by which the materials were most recently transported.
The conclusion: The tiny bright blob was an object still embedded in the disk of material around the parent star, suggesting a planet in the earliest stages of coming into being.
Children under age 18 must have a parent or legal guardian's written permission to submit their material and such permission must accompany the material or it will not be considered.
Employees (and their immediate families and household members) of CNN and its parent, subsidiaries, divisions, and affiliated entities are not eligible to submit material.