NASA’s Enigmatic Green Lasers Spotted by Japanese Astronomer
Japanese museum curator and astronomer Daichi Fujii spotted something irregular last September in several motion-sensing cameras he had set up: three brilliant green lights that streaked across the sky.Astronomers Could Soon Get Warnings When SpaceX Satellites Threaten Their ViewAfter studying the footage and comparing it to orbital data, Fujii found the responsible party: NASA’s Ice, Cloud and Land Elevation Satellite 2, or ICESat-2, which had flown over Japan that night.According to Tony Martino, an instrument scientist…