Why Are Alaska's Rivers Turning Orange?
Streams in Alaska are turning orange with iron and sulfuric acid. Scientists are trying to figure out why
Source: scientificamerican.com
The Namib Desert bears a scar from a meteorite impact.
"In the vastness of one of the world’s oldest deserts lies a relatively recent geologic feature: the Roter Kamm crater (“red comb” or “red crest/ridge” in German). An astronaut onboard the International Space Station photographed the crater while orbiting over the Namib Desert. It is approximately...
Source: nasa.gov
RSS feed