Q&A with Tory Bruno, ULA’s chief executive

DigitalGlobe’s WorldView 4 commercial satellite, which will join sister-craft WorldView 3 in orbit to snap the highest quality Earth imagery available on the market at 31-centimeter resolution, was built by Lockheed Martin and will be launched Friday atop an Atlas 5 rocket from Vandenberg Air Force Base, California.

A United Launch Alliance Atlas 5 rocket departs Vandenberg Air Force Base today at 10:30 a.m. local time (1:30 p.m. EST; 1830 GMT) to deliver the commercial WorldView 4 Earth-imaging satellite into polar orbit for DigitalGlobe.

Twenty-eight thousand students across the United States submitted essays and proposed names for NASA’s newest Mars rover and on Thursday, the agency announced the winner: Perseverance, submitted by Virginia seventh-grader Alexander Mather.