NASA Published a More Detailed Earth Map

The NASA in collaboration with Japan published an improved version of the topographic map of Earth. This detailed work was made with the instruments onboard of the North American satellite Terra. The map was published for the first time in 2009, now it has over one million of...

Ozone layer hole Over Arctic Continues to Expand

A large hole that appeared in the Earth’s protective ozone layer above the Arctic in 2011 was the largest recorded in the northern hemisphere. However scientists have stated that it is not man-made. The ozone layer high in the stratosphere protects the planet from the sun’s...