What steady visual characteristic distinguishes Venus when observed from Earth compared to the twinkling behavior of stars?
Answer
Venus shines with a steady, unwavering glare
A key differentiator between the observation of Venus and stars is the stability of their light. Stars are so incredibly distant that they appear as point sources of light, making their illumination highly susceptible to distortion from Earth's turbulent atmosphere, which causes the light to appear to twinkle. Venus, being a much closer planet, is resolved as a small but distinct disk, even without magnification. This larger angular size allows the atmospheric effects to average out, resulting in a constant, steady, and unwavering glow that is easily distinguishable from stellar twinkling.
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