Character mistake: An astronaut ends a radio communication with Major Montez by saying, "Athena 5, over and out." No astronaut or member of the military would use that phrase. "Over" means "please respond." "Out" means "I am ending this communication." (00:18:05)
Continuity mistake: At the Air and Space Museum, a red belt between two stanchions blocks a room with a sign saying "New exhibit coming soon." After Elio ducks under the belt to enter the room, the belt and stanchions have vanished. (00:02:20)
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Suggested correction: Once he enters the room, we never see the door again. All we see is an entryway leading to the exhibit.
