Do We Have the Right to Send Lifelike Conditions?

Is there any ethical difference between spreading a particular earth life versus spreading a potential of life across the galaxy? And where does this difference lie? Should we do it just because we caner in science, this is not a new question. This is an extraordinary proposition, and it brings up extraordinary dilemma about what it means to be life. Does life, as a chemical system, have a responsibility, or should have a prohibition, against sponsoring more life across the universe? And what is the a difference?