BUILT by the Indian Space Research Organisation, the Polar Satellite Launch Vehicle threw itself into the sky at 3.58am GMT on February 15th. It took with it a record-breaking 104 satellites—88 of which belonged to a single company, Planet, a remote sensing business based in San Francisco. Planet now has 149 satellites in orbit-enough for it to provide its customers with new moderately detailed images of all the Earth's land surface every single day. The satellites Planet makes-it calls
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