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Artist impression of NEO Surveyor space telescope NASA/JPL The NEO Surveyor infrared space telescope is optimized for finding, tracking and characterizing potentially hazardous asteroids and comets. The spacecraft’s sunshade (silver vertical part) blocks out sunlight and keeps the telescope shielded so that it can search for the faint heat signatures from Earth-approaching objects. The asteroids will appear as strings of dots (color-coded red in the background image) that will stand out against the background stars (color-coded blue).