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Ask the expert
The Colors of The Cosmos
How do black and white telescope photographs transform into color images?
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Science Panorama
Shedding Light on Light Pollution
The starry sky is hidden behind the artificial lighting we created to keep the night away. Why light pollution matters?
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Science Archive
The physics of light
Light is the common name for electromagnetic radiation with wavelengths of 400-750 nm.
July 17, 2012 זמן קריאה משוער 15
