A closer look

You'd think firing innocent animals into the terrifying void of space would be purely based on strict aeronautical math, but no. Rumors persist that Soviet scientists, deeply paranoid about the high failure rate of early rockets, would occasionally cross-reference lunar calendars and basic astrological principles to pick 'auspicious' launch dates. When you're competing with America to dominate the galaxy, apparently you don't take any chances with bad space vibes.