One last orbit: how and why NASA kills its own spacecraft
NASA / JPL For more than a decade , NASA’sNear - Earth Object Wide - athletic field Infrared Survey Explorer(NEOWISE ) mission has been searching the sky for skinny - Earth objects . Using its infrared vision , the spacecraft , which sit in electron orbit above Earth ’s open , has looked out for asteroids and comets throughout the solar system of rules and has been used to describe those that could come close to Earth ....