... Our Moon's appearance changes nightly. ... As the Moon orbits the Earth, the half illuminated by the Sun first becomes increasingly visible, then decreasingly visible. ... Surveyor 6 was not the first spacecraft to accomplish a soft landing on the Moon ... but it was the first to land and then lift off again! ... An infrared view from the Spitzer Space Telescope, it features interstellar clouds.. ... A solar prominence is a cloud of solar gas held above the Sun's surface by the Sun's magnetic field....