The day humans manage to land on Mars will be the start of advancing from Level Zero civilization to about Level 0.2 civilization.
What religious fanatics call angels are beings from other star systems, Level 2s and 3s, all those miracles in the religious books are just advanced science that was beyond the IQ of humans.
If a modern Space X rocket was to appear to people in the 11th Century the people would have said that God himuselufu has arrived with a fire breathing dragon yet it is just Rocket science.
It all narrows down to our understanding of energy. Nikola Tesla was God sent, but Capitalism was blocking him at every other corner.
Opening space portals/star gates will be more ideal, than blasting off from earth.
