15-second cinematic photorealistic science-fiction action short, 16:9.
A gigantic abandoned generation ship suddenly appears above a distant alien planet after being missing for 300 years.
Before anyone can approach, dozens of military spacecraft arrive and immediately attack.
The enormous generation ship begins accelerating away.
A smaller exploration vessel chases it through a dense asteroid field while enemy fighters pursue both ships.
Rapid cuts: fighters threading between tumbling asteroids, weapons fire flashing across the darkness, the exploration ship narrowly avoiding a collision with the generation ship's enormous hull.
Suddenly the generation ship broadcasts a holographic image into space: an ancient Earth ocean, sunlight sparkling on the water.
The pursuing pilots freeze for a fraction of a second.
Then the ship sends another memory: a child running through a green forest.
The exploration vessel accelerates after it.
The generation ship opens a massive hidden engine and disappears into a brilliant tunnel of light.
End on the pilot staring at the coordinates it left behind.
Photorealistic, emotional but intense, spectacular space chase, huge scale, dynamic camera angles, realistic spacecraft motion, cinematic lighting, detailed environments, no text, no logos, no anime, no cartoon.