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  • Anime film or series from the 80's.
  • There is this hostile extraterrestrial force that attacks the planet.
  • Action takes place in space near the planet and with spaceship battles.
  • The planet sea level is rising (because of global warming?).
  • At some point, someone compares the estimated landmasses with the attackers' planet resulting in a similar area, suggesting that they come from the future.
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