Category: Images

Before and After: Hurricane Laura

These images, from NASA, show the impact of Hurricane Laura  - with "before and after" satellite images. The first image was taken on August 13th, the second was taken on August 29th. Hurricane Laura - Before and After Images 240kmph Winds On August 26th 2020...

Satellite Imagery: Emperor Penguins

Studying penguins is tricky, at best, due to their remote and hostile habitat - the antarctic. This challenge is being made easier by satellite imagery. An Emperor Penguin Colony - image by QuickBird satellite (©2018 Digiitalglobe, inc.)   The picture above shows a colony of...

Satellite Imagery: Boats in Bay of Naples

This image shows maritime traffic in the Bay of Naples over several years, taken by the radar satellites from ESA’s SENTINEL-1 mission. These two satellites are providing radar images night and day. The image was created by compiling hundreds of by radar images into a…

Satellite Imagery: Antarctic Sunset

The below image is taken from ESA’s SENTINEL-3B.    The line of light and dark is the line between day and night. This picture was taken by the satellite’s ocean and land color instrument, with a resolution of 300m, 21 distinct bands, and a swath…

Satellite Imagery: Falkland Islands

The image below is of the Falkland Islands, taken by ESA’s SENTINEL-1. The images were taken, via radar, on two separate dates a month apart  – December 2019 and January 2020. The combined images show changes over time. The main visible are in the open…

Satelite Imagery: Chlorophyll and Spring

The below animation, created by ESA with data from SENTINEL-3, shows the changing Chlorophyll around the world between early April and late June 2017. Tropical Rainforests: These hardly change as they keep their high levels of Chlorophyll. USA: The arrival of spring can be clearly…