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Clear, calm turquoise shallows with bright caustics and gentle surf foam.
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Deep navy water with a steady mid swell — the classic open-sea look.
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Grey wind-blown sea with heavy whitecaps, foam and driven spray under an overcast sky.
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Near-still mirror-flat water at first light — crisp horizon reflections, frozen at dawn.
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Vivid turquoise with strong caustic god-rays and shore foam in bright midday sun.
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Cold dark water under a low December sun at 72° N — long shadows, frozen at twilight.
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Built to show off the sun-glint pillar — strong reflections and warm Fresnel at sunset.
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Green coastal water with short underwater visibility under a partly cloudy autumn sky.
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Fly the camera below the surface — Snell's window, caustic god-light and depth-graded fog.
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Maximum spindrift — heavy spray torn off breaking crests in a 28 m/s gale under storm clouds.
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Quiet night water under a full moon — soft reflections and dark-adapted colour palette.
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Real-time sky for today's date and default location.
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Great Conjunction of Jupiter & Saturn on the winter solstice evening of 1226.
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Simulated Martian atmosphere — red-shifted Rayleigh, thin air, 3,389 km radius, 10.8 km sky.
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Non-physical Mie and Rayleigh scattering values for a dramatic, otherworldly sky.
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Northern Lights over Tromsø, Norway during the St. Patrick's Day geomagnetic storm, March 17, 2015.
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Scattered clouds at 25% coverage.
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Partly cloudy sky at 55% coverage.
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Overcast sky at 85% cloud coverage.
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Total solar eclipse as seen from Del Rio, Texas — April 8, 2024, 1:27 PM CDT.
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Super Blue Blood Moon total lunar eclipse as seen from Wellington, New Zealand — January 31, 2018.
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View from 10 km above sea level — the atmosphere as seen from a cruising aircraft.
