When Worlds Collied- Richard Derr, Barbara Rush-1952 IMDB 6.6/10

South African pilot Dave Randall serves as courier - transporting a briefcase to American scientist, Dr Hendron. Inside the case are documents which state the star Bellus will collide with Earth, destroying it. A plan is developed to build a spaceship to carry a select few to the planet Zyra, a planet orbiting Bellus.