Depending where you live, the image resolution might be high enough for you to make out the car in your driveway. DigitalGlobe is one of the main purveyors of satellite photos, pictures taken with telescopes in orbit and beamed down from space. You can find its images on Google Maps and Google Earth , among others. The company's Instagram account shows incredible slices of the world.
Its images also appear in other places including the super popular Daily Overview. The new WorldView-4 satellite, launched at the end of , will give DigitalGlobe even more coverage. It'll also have the potential to deliver even more incredible images. Here's a behind-the-scenes look at how it works.
Satellite photography isn't new. Basically since we starting lobbing stuff into orbit, people figured out how to take pictures from there. It wasn't until that it became legal for private companies to get into the satellite photo business. As the technology improved and the regulations decreased , higher and higher resolutions were possible. Today the highest resolution available for consumer use is 31 centimeters per pixel. Higher resolutions are restricted to government satellites. If that's what we get to see, how much better do you think the government stuff is? Think they can identify faces or license plates from orbit yet?
A photo posted by Daily Overview dailyoverview on Nov 17, at 6: Not all the "satellite" photos you see online are actually, well, satellite photos. In some cases, they're high-resolution photographs taken from planes. So the really detailed stuff might not have been taken from space. Kind of a bummer, that, right? There are limits to aerial photography, though, hence the need for satellites. It orbits at an average distance of kilometers A photo posted by DigitalGlobe digitalglobe on Dec 2, at 7: The WorldView-4 is about the size of a pickup truck standing on its nose and weighing roughly as much.
The solar arrays, when deployed, are 7. Inside is a telescope 1. It tracks its position using the locations of the stars as well as the Global Positioning System GPS , whose satellites are in a much higher orbit. The camera boasts some impressive specs. Its panchromatic black and white resolution is 31 centimeters The higher resolution of black and white may seem odd, but this is actually similar to how your TV works. There is far more black-and-white detail than there is in color, because your eye can't see as much detail in color as it can with black and white.
The WorldView-4 is similar to the WorldView-3 satellite, which is already in orbit. The 4 was actually built around the same time as the 3. But it was made for the GeoEye company, which DigitalGlobe bought in The 4 should have a lifespan of years. Though raw satellites are undeniably cool, they aren't quite as awesome as they could be.
A bit of work is sometimes required to clean them up a bit. DigitalGlobe processes the images using a method called Atmospheric Compensation to remove haze and thin clouds. Come, Hunt an Earthman Details. The Time Mercenaries Details. The Journal of Nicholas the American Details.
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