
ALT Images from Discovery Program missions (left to right): 1. Mercury was produced using images from the color base map imaging campaign during MESSENGER's primary mission 2. Dwarf planet Ceres shown in enhanced-color renderings that use images from NASA’s Dawn mission 3. NASA's Gravity Recovery and Interior Laboratory (GRAIL)'s gravity map of the Moon 4. NASA's InSight lander is in the foreground in this view from its landing site on Mars 5. A portion of the irregularly shaped asteroid Donaldjohanson as seen by NASA’s Lucy spacecraft 6. Mars appears as a thin pink crescent in this view from NASA’s Psyche spacecraft

ALT An artist’s illustration shows an astronaut conducting an extravehicular activity on the lunar surface. In the background, a second astronaut collects lunar samples. Small craters are visible around the surface. A habitat is visible on the righthand side with Earth rising above. Commissioned by NASA in the late ‘80s. Artist: Garret Moore. Credit: NASA

ALT An artist’s illustration from 1986 shows astronauts working on the Moon. On the lefthand side, a rover with six wheels is visible. A communications satellite sits atop. In the left corner, Earth is visible. Two astronauts stand beside the rover to the right. In the far background, elements of lunar habitats can be seen. Artist: Dennis M. Davidson. Credit: NASA






























