perturber
/pərˈtɜːrbər/
Definition
Something or someone that causes a deviation, disturbance, or alteration in the regular state or path of another object or system.
Etymology
Derived from the Latin 'perturbare,' meaning 'to confuse or disorder,' which is a combination of the prefix 'per-' (thoroughly) and 'turbare' (to disturb/confuse).
In the news
In this text, the word refers to a hypothetical massive body whose gravity acts as a source of disturbance, pulling smaller objects away from their random paths. Its identification is crucial to validating theories about the structure of our solar system.
In June 2025, on a Chilean mountaintop, scientists switched on the largest digital camera ever built — named for the astronomer who found the first convincing evidence for dark matter — at the start of a project whose decade-long survey may finally find a nint
Read the full article ↗Space Daily