Examlex
What can trigger the gravitational collapse of an interstellar gas cloud?
Cornea
The tough, transparent, protective layer that covers the front of the eye and bends light rays inward through the pupil.
Eye
An organ of vision that detects light and converts it into electro-chemical impulses in neurons.
Transparent
Allowing light to pass through so that objects behind can be distinctly seen; in an informational context, clear and easy to understand or recognize.
Protective Layer
A covering or barrier that shields an object, surface, or organism from harmful external factors.
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