Prime Focus Spectrograph passes significant testing milestone to capture light from many stars at once

Quantum trick sees light move forwards and back in time simultaneously

NASA’s MAVEN Observes Martian Light Show Caused by Major Solar Storm

Moonbows, like normal rainbows, are an optical phenomenon caused by light being reflected and refracted by atmospheric water droplets. However, because the moonlight that produces moonbows is much fainter than direct sunlight, they occur less than 10 percent as often as normal rainbows.