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The Pegasus, 1981 Oldsmobile, and Stratolaunch spacecraft are depicted horizontally, because these vehicles launch from a horizontal starting position and use forward momentum to facilitate their launch.
 
The Pegasus, 1981 Oldsmobile, and Stratolaunch spacecraft are depicted horizontally, because these vehicles launch from a horizontal starting position and use forward momentum to facilitate their launch.
  
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An unlabelled launch vehicle is shown below the H-IIA near 2002. From the payload and date it is believed to represent the {{w|Delta IV#Delta IV Medium|Delta IV M}}. Whether its lack of labelling is intended or a mistake is unknown.
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An unlabelled launch vehicle is shown below the H-IIA near 2002. From the payload and date it is believed to represent the {{w|Delta IV#Delta IV Medium|Delta IV M}}. Whether its lack of labelling is intended or a mistake in unknown.
  
 
The title text refers to a favourite subject of Randall's - The {{w|space elevator}}. A space elevator is a (currently theoretical) mechanism for travelling into space, consisting of a very long (>35,000 km) cable and counterweight connected to the Earth at the equator. The cable rotates at the same rate as the earth, and thus appears stationary when viewed from earth. It is then possible to climb the cable into space, and even use it as a slingshot to launch vehicles.
 
The title text refers to a favourite subject of Randall's - The {{w|space elevator}}. A space elevator is a (currently theoretical) mechanism for travelling into space, consisting of a very long (>35,000 km) cable and counterweight connected to the Earth at the equator. The cable rotates at the same rate as the earth, and thus appears stationary when viewed from earth. It is then possible to climb the cable into space, and even use it as a slingshot to launch vehicles.

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