Category Archives: Maps

Earth At NightEarth at Night

Earth At Night

I am a big fan of NASA’s Visible Earth image showing the world at night. The image above from Oct 2012 is actually a composite of cloud-free, nighttime satellite images stitched together to show one clear view of the earth at night. The images are captured by Suomi National Polar-orbiting Partnership satellite. The lights show major metropolitan areas — but it would be a mistake to think that the lights are equal to population distribution. For example, there are a lot of people living in Africa Read more […]Share this:FacebookEmailPrint

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Earth_FromRussianSatelliteEarth from Russian Satellite

Earth_FromRussianSatellite

Thanks to the Russian weather satellite, Elektro-L,  we now have the highest resolution single image of the earth to date provide by the Russian Space Research Agency’s Research Center for Earth Operative Monitoring. NASA has produced beautiful “Blue Marble” images of the earth by stitching together different photographs. The Elektro-L,22,000 miles above the equator, can take a single 121 MB picture of the whole earth every 30 minutes. Because the Elektro-L is geostationary, in a fixed position Read more […]Share this:FacebookEmailPrint

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WindMapUnited States Wind Map

WindMap

OK, I’m a sucker for visual maps and this one is fantastic. Surface wind data from the National Digital Forecast Database was used to animate the wind patterns across North America (or at least the lower 48 of the USA). The still on the right doesn’t do justice to the data so you really need to click on the link below to watch the animation. When you get there, check out the gallery to view different days and different wind patterns. http://hint.fm/wind/index.html Having grown up in New Read more […]Share this:FacebookEmailPrint

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