page_title: List of fictional astronauts (Project Mercury era)
hierarchical_section_title: List of fictional astronauts (Project Mercury era)
caption_attribution_description: Photo of Sue Randall and Jim Hutton from The Twilight Zone episode, "And When the Sky Was Opened".
context_page_description: The following is a list of fictional astronauts from the era of Project Mercury and the Vostok programme, the beginning of the "Golden Age" of space travel.
context_section_description: The following is a list of fictional astronauts from the era of Project Mercury and the Vostok programme, the beginning of the "Golden Age" of space travel.
caption: Maj. William Gart (actor Jim Hutton) panics in And When the Sky Was Opened (1959 episode of The Twilight Zone).
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