Optical instruments are sometimes installed on an articulated, powered appendage towards the spacecraft bus called a scan platform, which points in commanded directions, allowing for optical observations to get taken independently on the spacecraft's Angle. This is the case on Voyager and Galileo. Most newer spacecraft are created without scan https://laboratory-instrument81346.livebloggs.com/35058996/the-2-minute-rule-for-fall-arrest-inertia-reel