to create a delta. i met the lake, depositing settlement to create a delta. to create a delta. i have been starinu to create a delta. i have been staring at to create a delta. i have been staring at this to create a delta. i have been staring at this delta to create a delta. i have been staring at this delta for- to create a delta. i have been staring at this delta for years | to create a delta. i have been - staring at this delta for years now, mostly in obiter images, and now we are finally right in front of it, seeing it through the eyes of the rover. we know there was once liquid water on the surface of mars, we know there are organics on the surface of mars, and so all signs point to the surface of mars, 3.5 to 4 point to the surface of mars, 3.5 to 11 billion years ago being a habitable planet. 4 billion years ago being a habitable lanet. , . . ., , habitable planet. perseverance has been drilling habitable planet. perseverance has been drilling into habitable planet.