Does 'Not yet a reality, but often seriously discussed, is terraforming `aitering an extracterrestrial body to make it capable of supporting  Earth's life forms.' stand independently of the premise 'Terra forming is the altering of an alien's body to make it capable of supporting Earth life. ', neither following nor contradicting it?
Not yet a reality, but often seriously discussed, is terraforming `aitering an extracterrestrial body to make it capable of supporting  Earth's life forms.###Terra forming is the altering of an alien's body to make it capable of supporting Earth life. 