My PhD research was on the early plate tectonic history on earth. Plate tectonics involves the movement of plates on the surface of the earth.
Supernatural agents that exert natural effects are perfectly valid objects of scientific inquiry.
Loeb describes his journey to a radical position on the strange interstellar visitor that’s been dubbed ‘Oumuamua.
The problem with the early universe is that it was a much more dangerous place.
A skeptic might ask, “Couldn’t a more technologically advanced civilization develop new sources of fuel that require less mass?”