Two bluefish greenish lights traveling very low, no sound at all, very high speed observed near La Centera mall in Katy, TX.As I was leaving a restaurant in the La Centera shopping area in Katy, I noticed two greenish bluish lights. The lights appeared to be traveling unusually low to the ground at a speed which seemed in excess of what any plane or jet could achieve. Couldn't tell if it was one or two crafts. Two other persons (daughter and father perhaps, I did not know them) walking in the parking lot also saw same lights and also thought the lights were very strange; they remarked how it could not be a shooting star. The way it was traveling low and fast with no sound was somewhat unsettling, particularly in contrast to the airplanes and jets which frequently fly through this area.((NUFORC Note: Witness elects to remain totally anonymous; provides no contact information. PD))