Space Odyssey: where Bowman's line about stars appears
The Space Odyssey quotation "My God, it's full of stars" has different places in the works listed by Wikiquote. The page for the film says the line is not present in that film. It points instead to the book, where David Bowman speaks a longer version as he enters the monolith, and to the sequel "2010: The Year We Make Contact." The sequel's opening sequence presents the shorter wording as Bowman's last transmission. That distinction answers the question without needing to retell the story. The wording, the work, and the presentation each have a separate place in the comparison.
Start with the short declaration as written. Wikiquote gives it in its section on misattributed lines, then explains that it is absent from the film. The statement is therefore about a particular work, not about whether the words appear anywhere in the related material. This is a useful boundary to keep visible. A line can have a documented location in another work while still being absent from the film named on the page. For this question, the next step is to identify those other locations rather than replacing the narrow statement with a sweeping claim that the words were never used.
For the Space Odyssey book, the page supplies a longer expression of Bowman's discovery. His words describe the thing as hollow and continuing forever, then express the sight of stars. Wikiquote places this passage at the moment he enters the monolith and cites a page in a paperback edition. The passage contains the familiar idea, but it is not simply the short sentence transferred unchanged into the film. Keep the longer wording attached to the book. That preserves both parts of the comparison: the declaration has a place in the written work, and the film page says it is absent from the film.
The sequel provides the short wording in a different presentation. Wikiquote says the opening sequence of "2010: The Year We Make Contact" includes a last transmission from Commander Bowman, followed by "My God, it's full of stars." This is the work and location asked for in the stumper. Describing it as an opening transmission is more precise than treating it as a line heard in the earlier film. The page supplies the label for the transmission directly. There is no need to add a speaker's tone, a shot description, or an account of what a viewer sees during that sequence.
The Space Odyssey film itself is described on the page as a 1968 science-fiction film. Wikiquote names Stanley Kubrick as director and credits Arthur C. Clarke and Kubrick with the writing, based on Clarke's short story "The Sentinel." Those credits help identify the film under discussion. They do not answer the quotation question on their own. The relevant answer remains the page's distinction among the film, the book passage, and the sequel's opening transmission. This is a case where a little context can orient the reader, while the specific note about the line still needs to do the main work.
The page's description of the film includes minimal dialogue, sound in place of traditional narrative techniques, and imagery described as ambiguous and often surreal. These are characteristics the page supplies, but they need not become an explanation of the quotation's attribution. A suggested reason for why a line is associated with a film would be an additional claim. Keep the descriptive context in its own place and the quotation note in another. That makes the comparison clearer. It also leaves the reader free to enjoy the connection among the works without being handed an unsupported account of how the association developed.
A helpful way to organize the Space Odyssey comparison is to give each work its own short note. For the film, record the absence identified by Wikiquote. For the book, record Bowman's longer words as he enters the monolith. For the sequel, record the short declaration in the opening transmission. This is a suggested reading method, and it does not require an explanation of anyone's memory. It simply keeps the evidence in the categories the page gives it. Work, wording, and placement can then be checked separately instead of being folded into a single claim about the familiar sentence.
The final answer can stay compact even though the comparison has several parts. The short declaration is presented in the sequel's opening transmission; a longer form belongs to the book; the page says it is absent from the film. Each part adds precision rather than a personal challenge. A popular story can attach a quotation to a familiar work, and a careful comparison can give that quotation its documented locations. Here, the pleasure is in finding where the words belong. The reader leaves with a clearer map of the line and no need for a theory beyond the information supplied by Wikiquote.