What Defines the Habitable Zone Around a Star

question 40

Multiple Choice

What defines the habitable zone around a star?

• A) the region around a star where rocky planets can form
• B) the region around a star where humans can survive
• C) the region around a star where liquid water can exist on planetary surfaces
• D) the region around a star where its ultraviolet radiation is too weak to destroy biological organisms on a planetary surface
• E) the region around a star outside of its hot, tenuous corona

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Definitions:

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