'It's a delicate place': Nasa captures 20 years of Earth's seasonal changes – video

A Nasa oceanographer explains how the US space agency successfully captured 20 years of changing seasons to form a striking new global map. The projection of the Earth and its biosphere is derived from two decades of satellite data from September 1997 to September 2017Continue reading...
Source: Guardian Unlimited Science - Category: Science Authors: Tags: Nasa Space Science Climate change Oceans World news Environment Source Type: news