Black Marble- Earth at Night
This image nicknamed Black Marble, is what the Earth looks like at night. You can you find your favorite country or city.
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Building a Marble Clock
Building a marble clock. In this video a guy made the marble selector that distinguishes between white and black marbles and managed to get a number on the display.
Our Planet in Brilliant Darkness
Our blue planet in brilliant darkness. The Black Marble. Full-hemisphere views of Earth at night.
LEDs has made Light Pollution worse
By switching to outdoor LEDs to lit surface of Earth at night, increases light pollution.
New views of Earth at Night
NASA scientists have just released the first new global map of Earth at night since 2012.
Global population will reach 11 billion in 2100
According to new studies, global population will reach between 9.5 and 13.3 billion people by 2100.