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:

Maximum Level

The highest or utmost point, degree, or volume of something that can be achieved or reached.

Total Revenue

Total earnings from business activities such as selling goods or providing services, before removing any operational costs.

Barrier To Entry

Elements that create barriers or obstacles, making it difficult for new entrants to join a particular market or business sector.

Economies Of Scale

Cost advantages reaped by companies when production becomes efficient, as the scale of operation increases leading to a reduction in average costs.