Sun-synchronous orbit

In yesterday's post we suggested that the reason for the near polar orbit of most imaging satellites was to improve coverage. After a bit more research it turns out to be more interesting than that. … [Read more...]

Google Earth Imagery Update: Strange image in the Sahara

Google has recently pushed out another imagery update. We created maps for March, April and May imagery, but did not find any significant changes in the March and April maps since the last update a … [Read more...]

Spectral Transformer for Sentinel-2 Imagery

We have previously had a look at a tool by GeoSage for processing Landsat Data. At the time it was free for non-commercial use, but is no longer. It remains, however, the best tool we have come across … [Read more...]

Tips for creating historical imagery animations

This post is some tips for creating historical imagery animations using the 'Historical Imagery Tour Maker' we released in yesterday's post. Tilt The Google Earth plugin, like the default setting in … [Read more...]

Advanced Historical Imagery Tour Maker with the Google Earth API

There are several different ways to automate animated historical imagery that we have explored in the past. The first, and easiest, is to use a Google Earth Tour that simply changes the date by a … [Read more...]

Fiery Cross Reef

We recently mentioned that we had noted that the disputed islands in the South China sea had not received any satellite imagery updates for over a year. It is an area of particular interest as China … [Read more...]

Google Earth Imagery Update: Russian submarines

Google has done another imagery update. We have mapped out the approximate locations of imagery for March, April and May, 2016 and show the additions since the last update, which was just a week … [Read more...]

Monitoring oil reserves with satellite imagery

When we were having a look around Rio de Janeiro for yesterday's post we noticed a large oil refinery (Refinaria de Duque de Caxias) with many oil tanks, and it reminded us that monitoring oil … [Read more...]

Rio de Janeiro with Google Earth

With the opening of the Olympics just two months away (August 5th), it is a good time to have a look at the host city, Rio de Janeiro, Brazil. Google has kicked off the sight-seeing by updating and … [Read more...]

Realistic Landings with Google Earth Flight Simulator

Thank you to GEB reader Ralf Vandebergh for letting us know about a website he has created demonstrating the realism of the Google Earth flight simulator. He first explains a bit about how an aircraft … [Read more...]