Full Idea
An object such as a distant star can have ceased to exist by the moment at which we are directly aware of it.
Gist of Idea
We can be looking at distant stars which no longer actually exist
Source
Jonathan Dancy (Intro to Contemporary Epistemology [1985], 10.2)
Book Reference
Dancy,Jonathan: 'Introduction to Contemporary Epistemology' [Blackwell 1985], p.147