My wife is a ranged solarian. Let’s help with this.
Sun Lightning (Su) level 1
When you’re fully photon-attuned, as a standard action, you can shoot a straight line of solar lightning and deal 1d6 electric damage plus 1d6 additional electric damage per solarian level to all creatures within a 20 foot line from you. A creature that succeeds at a Reflex save takes half damage. At 9th level, you can increase the distance to 40 feet, and at 17th level, you can increase the radius to 60 feet. After you use this revelation, you immediately become unattuned. Sun Lightning functions as a zenith revelation for the purposes of abilities that reference them.