Satellite imagery provides a unique perspective ... Every week, we take a bird's eye view of Earth, and see how it affects the people living on it.

POES satellites orbit the earth 14 times each day at an altitude of approximately 520 miles (870 km). As each orbit is made the satellite can view a 1,600 mile (2,700 km) wide area of the earth.

Satellite image of the Earth with the Atlantic Ocean in the centre ... are so detailed that you can zoom in and see a bird’s-eye view of where you live. In the past, maps were hand-drawn ...

To mark the occasion, Google has dedicated its Doodle to Earth Day, by transforming its letters into a series of six aerial photos. In a dedicated blurb, the search engine says these images ...