UPDATE (October 3, 2014) – The answer to this puzzler was posted here. Every month on Earth Matters, we offer a puzzling satellite image. The September 2014 puzzler is above. Your challenge is to use the comments section to tell us what part of the world we are looking at, when the image was acquired, what the image […]
As a side project, I have been filing away images to make a satellite version of the ABCs. I have most letters now, but I could still use help tracking down good examples of B, G, F, K, and Z. Since I first posted about the search, there is a new browsing tool available — called […]
Drought-induced depletion of groundwater is no longer an issue that’s out of sight, out of mind. Research by scientists from Scripps Institution of Oceanography, published this week in Science, describes a GPS technique used to measure drought-induced uplift of land in the western United States. The uplift measurements were used, in turn, to calculate the deficit […]
These images compare averaged yearly nitrogen dioxide concentrations over the Ohio River Valley region from 2005 [top] to 2011 [bottom]. Image credit: NASA Goddard’s Scientific Visualization Studio/T. Schindler Editor’s Note: This is an excerpt from the NASA Earth Science in the News column published in the May/June issue of The Earth Observer newsletter. You can download the current […]
The answer to the August puzzler — Nagoya and the south-central coast of Japan — was puzzling even to Earth Observatory staff. When we first posted the image on August 26, even we did not know what we were looking at. We had asked our colleagues at the Crew Earth Observations (CEO) office at NASA Johnson Space Center […]
