Understanding the moon's phases and its visibility is crucial for astronomers, photographers, and outdoor enthusiasts. The Moon Phase Brightness & Visib...
Formula
const phaseAngle = inputs.phase_angle; const brightness = (1 + Math.cos(phaseAngle * Math.PI / 180)) / 2; const visibility = brightness * 100; return { brightness: brightness, visibility: visibility };Phase Angle (degrees)
90
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Moon Phase Brightness & Visibility Calculator estimates Brightness (as a fraction of full moon), Visibility Percentage from Phase Angle (degrees). Use it to compare scenarios and understand which inputs drive the biggest changes. Results are directional estimates β verify with current, authoritative sources before making financial, legal, or health decisions.
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The estimate combines Phase Angle (degrees) and returns Brightness (as a fraction of full moon), Visibility Percentage.
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