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one day we may contact other more advanced civilizations, and they will tell us that what we call Earth is not a planet because there's too much methane in the atmosphere. According to widely accepted intergalactic standards Earth is a "Schmordbl" and not a planet.


Sounds fair to me....and then we'll bomb them.



Bless
 
It would make for a good sci fi flick. An exact replica of earth that is 180 degrees on the other side where everything is identical.
 
It would make for a good sci fi flick. An exact replica of earth that is 180 degrees on the other side where everything is identical.


Been done, more or less.

Film
Gerry Anderson's 1969 film Journey to the Far Side of the Sun, (also known as Doppelgänger), features a Counter-Earth which is identical to Earth in every respect except that left and right are reversed.

In the 1973 film The Stranger, the Counter-Earth (known as Terra by its inhabitants) is culturally and evolutionarily identical to Earth in nearly every respect, with the most obvious difference being the planet's three moons. However, it appears to have skewed significantly sometime in the last century or two. An astronaut from Earth crashes there, and discovers a strange dictatorship known as the Perfect Order. Other than the fact that everyone is left-handed, technology is about the same, although geared for such purposes as monitoring of the population to assure adherence to the Order.

In the tokusatsu kaiju film Gamera vs. Guiron, Gamera travels to a Counter-Earth known as Terra in order to save a pair of kidnapped children.

Warning from Space or Mysterious Satellite (宇宙人東京に現わる, Uchûjin Tokyo ni arawaru?, Spacemen Appear in Tokyo), a 1956 science fiction tokusatsu film produced by Daiei, depicted a planet-- "Planet 'R'"-- on a collision course with Earth. Warning from Space has one-eyed, starfish-shaped aliens from the planet Paira -- an Earth-like planet that shared the same orbit as Earth but on the opposite side of the Sun -- who take on human forms to warn the earth about the impending disaster.

in the 1951 movie When Worlds Collide the planet at the end of the movie that the survivors of the doomed earth go to is similar to the counter earth.
 
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