As the Alphans are planning to explore the planet Ariel, a 'missile' attaches itself to the en route Eagle. Upon returning to Alpha, the 'missile' gives the Alphans a lunar atmosphere. But the joy at the possibility of making a new world out of the Moon is short lived, as the moon does not enter orbit around the planet or its sun, and Alpha faces destruction from the newly acquired lunar air. Written by
Did You Know?
There is a deleted scene showing the pull-down window in Main Mission being installed. See more
After the moon is given an atmosphere, the gravity of the moon becomes earth-like for no apparent reason. Once the atmosphere is removed, the gravity is moon-like again. An atmosphere would not affect gravity. See more
Prof. Victor Bergman
A sun like ours. Planet Ariel with its atmosphere. It's a perfectly balanced little solar system.