In daylight our big blue marble is all land, oceans and clouds. But the night – the Black Marble – is electric. Scientists are using new
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Our blue planet in brilliant darkness. The Black Marble. Full-hemisphere views of Earth at night.
By switching to outdoor LEDs to lit surface of Earth at night, increases light pollution.
NASA scientists have just released the first new global map of Earth at night since 2012.
According to new studies, global population will reach between 9.5 and 13.3 billion people by 2100.
Two weeks ago, we published a new map of the Earth at night. Astute readers noticed lights in areas that were thought to be uninhabited.
In December 2012, NOAA and NASA released a new map of the Earth at night. Built with data from the Visible Infrared Imaging Radiometer Suite
The next few nights celebrate the stars! The International Dark Sky Week (April 5-11, 2013) is a worldwide event against light pollution and going on