Before revision: In the Universe Though life is confirmed only on Earth, many think that extraterrestrial life is not only plausible, but probable or inevitable, possibly resulting in a biophysical cosmology instead of a mere physical cosmology.
After revision: In the universe Though life is confirmed only on Earth, many think that extraterrestrial life is not only plausible, but probable or inevitable, possibly resulting in a biophysical cosmology instead of a mere physical cosmology.