It's the Cretaceous prequel to Armageddon! (The asteroid wins)

Book your ticket now for the summer movie event of 65 million BC - DINOGEDDON! When an asteroid threatens to wipe out all dinosaur life on Earth, a team of astronauts must blast off in a pterodactyl-powered spaceship to stop the killer rock. Possibly by biting it really hard, or butting into it with their very thick skulls. Will the dinosaurs be able to overcome their limited technology, inter-species rivalry, and limited cranial capacity to stop the asteroid? (No.) This is my entry for...