The discussion revolves around a problem involving a concave mirror and the image formation of a star's light. The original poster presents a scenario where light from a star reflects off a concave mirror with a specified radius of curvature, seeking to determine the distance of the image from the mirror's surface.
The conversation is ongoing, with participants clarifying the role of the star as the object and its implications for the object distance. Some guidance has been offered regarding the assumption of the object distance being infinity, but there is no explicit consensus on how to proceed with the calculations.
The problem is constrained by the need to apply the mirror formula and the specific definitions of object and image distances, which are currently under discussion. The original poster has indicated a lack of clarity regarding these terms.