A simple scale diagram showing the size of SpaceX's proposed Interplanetary Transport System as launched. Intended for use in the <a href="https://en.wikipedia.org/wiki/Interplanetary_Transport_System" class="extiw" title="en:Interplanetary Transport System">Interplanetary_Transport_System</a> article.
<p>From left to right: SpaceX's proposed Interplanetary Transport System, NASA's proposed Space Launch System Block II Cargo configuration, London's Big Ben clocktower, SpaceX's in-development Falcon Heavy, and a 1.8m-tall human.
</p><p>The ITS and SLS drawings are original works by me.
</p><p>The Big Ben drawing is modified from GDJ's "Big Ben Tower Illustration", released into the public domain at <a rel="nofollow" class="external text" href="https://openclipart.org/detail/221971/big-ben-tower-illustration">Openclipart</a>.
</p><p>The Falcon Heavy is modified from <a href="//commons.wikimedia.org/wiki/File:Falcon_rocket_family2.svg" title="File:Falcon rocket family2.svg">Markus Säynevirta's diagram</a>.
</p>
The human silhouette is based on <a rel="nofollow" class="external text" href="http://www.publicdomainpictures.net/pictures/60000/velka/man-in-black-silhouette.jpg">this</a> public domain image.
<a href="//commons.wikimedia.org/w/index.php?title=User:AliShug&amp;action=edit&amp;redlink=1" class="new" title="User:AliShug (page does not exist)">Alistair Wick</a>, with content from Markus Säynevirta
CC BY-SA 3.0
Created using Vector editing software, incorporating parts of existing public-domain clip-art and freely-licensed diagrams