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Atlas of Light

Atlas of Light

Whether it is direct or reflected, emitted by a point or an extended source,
light guides the steps of the photographer, directs the gaze of the astronomer.
It is to simulate then to observe the effects of this natural or artificial light,
of its diurnal, seasonal or secular variations upon our environment,
on our way of thinking, that this new cartographic adventure invites you ...

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point The Earth in the Universe

The Earth in the Universe

This 3D view of the Earth illuminated by the Sun, surrounded by the constellation of Orion and the star Sirius, is the result of numerical simulations combining satellite images of the Earth and algorithms of positioning of the objects (Earth, Sun, stars) on the celestial vault. It simulates a view acquired on March 21, 2022 at a distance of 50 000 km (*). Although plunged in the darkness, the artificial lighting draws the contours of the American continent.
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(*) This simulation was performed using the WebWorldWind interface developed by the NASA/ESA consortium and distributed under the Apache 2.0 license.