There are a few key things almost all sailors are afraid off. Storms, running aground, equipment breaking, springing a leak, or being caught by customs for not checking out of a country. However not many are scared of the old sea tale of being dragged down into the abyss.
Leaving Earth is perhaps one of the most amazing feats human beings have ever accomplished. In the Universe that must be one of the biggest milestones for a species. But apart from bringing back some buckets of moon dirt, what was the benefit?
As it turns out, whilst there was no sighting of God, or direct contact with aliens, countless technology originally invented to serve some purpose for astronauts has been adapted for everyday use and is widely present today.