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Playing With / Planet Spaceship

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Basic Trope: A ship the size of a planet or moon.

  • Straight: The interstellar ship Colossus is the size of a moon.
  • Exaggerated:
    • The Behemoth is much, much bigger than the solar system.
    • The Titan is as large or larger than an entire universe.
  • Downplayed: See Mile-Long Ship.
  • Justified:
    • The Colossus was constructed by hollowing out a large asteroid, or by attaching freakin' huge engines to an actual planet.
    • The ship needs to be that large to generate the power needed for near-lightspeed/faster-than-light travel, withstand the impact of all the random debris it might inadvertently hit along the way, and its large mass is useful for providing natural gravity to keep the crew healthy on long space missions.
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  • Inverted: The Miniscule, although known as an interstellar ship, is only slightly larger than the pilot.
  • Subverted: The Colossus looks like it is the size of a planet, but it was just an illusion or other trick used to make it seem bigger.
  • Double Subverted: The illusion didn't really make the ship seem bigger, it made it seem smaller.
  • Parodied: The captain of the Colossus sees some planets orbiting a sun and decides, "When in Rome..."
    • The first shot shows the Colossus as basically a planet with engines attached... until the zoom pulls out and we find it's actually a tiny spaceship.
  • Zig Zagged: The size of the Colossus is inconsistent. In one scene, it is being maintained after landing on a planet, in another scene, it is big enough to cause a solar eclipse when passing in front of a star and later on the ship is bigger than the Sun.
  • Averted: The Colossus is only 100 meters long.
  • Enforced: The executive producer just came from an Archive Binge of David Weber's Empire from the Ashes.
  • Lampshaded:
    • "How in God's name do they even move that monstrosity?"
    • The Colossus' AI yells "YOU ORBIT AROUND ME!"
  • Invoked: Emperor Evulz orders the creation of the moon-sized Colossus as a show of imperial might.
  • Exploited:
  • Defied: Government officials ask some engineers to draw up plans for a Planet Spaceship. Engineers ask government officials what they've been smoking.
  • Discussed: "Look at the size of that thing!"
  • Conversed: "My Willing Suspension of Disbelief took a nosedive when the writers brought out a planet with engines on it."
  • Deconstructed: The gravity well of the Colossus destabilizes any solar system it flies to, resulting in Apocalypse How.
  • Reconstructed:
    • The above destabilization is prevented by a microgravity field around the Colossus that protects solar systems.
    • Alternately, the destabilization is the whole point.

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