Neptune's Disappearing Clouds Linked to the Solar Cycle
Weather forecast for Neptune: After sunny weather for the past few Earth years, we'll see increasingly more clouds over the next few years. In 1989, NASA's Voyager 2 spacecraft provided the first close-up images of linear, bright clouds, reminiscent of cirrus clouds on Earth, seen high in Neptune's atmosphere. They form above most of the methane in Neptune's atmosphere and reflect all colo