NASA loses two hurricane monitoring satellites on launch
Washington (AFP) - Two small NASA satellites that were meant to study hurricane development failed to enter orbit Sunday when their Astra rocket shut off before reaching the necessary altitude, the US space agency said. "After a nominal first stage flight, the upper stage of the rocket shut down early and failed to deliver the TROPICS CubeSats to orbit," NASA's Launch Services Program said on Twitter. In a post to its website before the launch, NASA described the TROPICS CubeSats as a constellation of six "shoe-box sized" satellites that will "study the formation and development of tropical cy...