Satellite images have revealed Jupiter's moons not to support the conditions necessary for life
Satellite images have revealed that Jupiter's moons do not support the conditions necessary for life.
Satellite images have revealed Jupiter's moons not to support the conditions necessary for life
Satellite images have revealed that Jupiter's moons do not support the conditions necessary for life.
The verb "reveal" can take a noun as an object (as in "he revealed the plot to me"), but if the "thing" revealed is an action, the verb "reveal" always idiomatically takes a "that"-clause, never an infinitive.