Every month we offer a puzzling satellite image, and the November 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 shows, and why the scene is interesting. How to answer. Your answer can be […]
Holuhruan: Still Erupting
In some ways, the ongoing fissure eruption at Holuhraun lava field in Iceland is an ideal one. Unlike the lava pushing through the Hawaiian village of Pahoa, Holuhraun’s lava is nowhere near any towns or villages. And the eruption has had little effect on air traffic–unlike the Eyjafjallajokull eruption in 2010--because Holuhraun has produced little of the […]
Earth’s Disappearing Groundwater
Maybe you have heard people call Earth “the water planet.” The nickname is well-deserved. As this mosaic of images from the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra satellite conveys so well, the majority of Earth’s surface is covered by either liquid or frozen water.