According to our research of Texas and other state lists there were 170 registered sex offenders living in Katy, Texas as of April 20, 2017. The ratio of number of residents in Katy to the number of sex offenders is 86 to 1. Median real estate property taxes paid for housing units with mortgages in 2015: $3,678 (2.1%)
solar spectrum. The distribution of electromagnetic radiation emitted by the sun. Although the solar spectrum essentially covers the entire electromagnetic spectrum, most of the energy is concentrated in an interval whose wavelengths span from approximately 300 nm to 3000 nm.
light radiation visible rays. The electromagnetic spectrum encompasses a continuous range of frequencies or wavelengths of electromagnetic radiation, ranging from long wavelength, low energy radio waves to short wavelength, high frequency, high-energy gamma rays.