WorldView-4 joins Earth-watching armada

WorldView-4 launch

A United Launch Alliance Atlas 5 rocket rises from California’s Vandenberg Air Force Base, sending the WorldView-4 satellite and seven CubeSats into space. (Credit: ULA)satelsatelspsce

DigitalGlobe’s WorldView-4 satellite was sent into orbit today to capture high-resolution, multispectral imagery of Earth, almost two months after California’s wildfires forced a launch delay.

A United Launch Alliance Atlas 5 rocket lifted off from Vandenberg Air Force Base in California at 10:30 a.m. PT to send the RV-sized satellite into space. About 45 minutes later, DigitalGlobe received signals from the spacecraft confirming that it was in good health in its intended near-sun-synchronous orbit.

Like WorldView-3, which went into orbit in 2014, WorldView-4 can provide black-and-white imagery of Earth’s surface with one-foot resolution, and multispectral views to a resolution of 4 feet per pixel. The visible-light pictures feed into the mapping services provided by the likes of Google, while the multispectral views can be used to monitor crop growth and urban planning.

Get the full story from GeekWire.

About Alan Boyle

Award-winning science writer, creator of Cosmic Log, author of "The Case for Pluto: How a Little Planet Made a Big Difference," president of the Council for the Advancement of Science Writing. Check out "About Alan Boyle" for more fun facts.
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