News tagged with observations

Unclouding our view of future climate

If we had a second Earth, we could experiment with its atmosphere to see how increased levels of greenhouse gases would change it, without the risks that come with performing such an experiment. Since we ...

dateMay 22, 2014 in Earth Sciences
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Astronaut view of Colorado fires

Thick smoke billows across the landscape in these digital photographs of the western United States. Both photographs were taken by astronauts aboard the International Space Station (ISS) on June 19, 2013.

dateJun 27, 2013 in Earth Sciences
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