He discovers he isn't alone; he encounters an alien ally named "Rocky" who is on a parallel mission to save his own world.
A microorganism called "Astrophage" is consuming the sun’s energy, threatening to cause a global extinction on Earth. Space Block Buster
Set in 2092, the plot follows a ragtag crew of space junk collectors who discover a humanoid robot that is actually a weapon of mass destruction. He discovers he isn't alone; he encounters an