Optical instruments are sometimes installed on an articulated, powered appendage towards the spacecraft bus called a scan platform, which points in commanded Instructions, letting optical observations to be taken independently from the spacecraft's Mind-set. This is the situation on Voyager and Galileo. Most more recent spacecraft are made without scan https://johnathancfhji.blog-ezine.com/28967097/indicators-on-it-works-weather-station-you-should-know