Classical music blared from speakers as students trickled into Mark Shroyer’s astronomy class at Knox College on Tuesday morning. A slide show sifted through information about each of the planets — their atmospheres, moons and structure — against one wall. At each place sat a spectroscope, used for diffraction grating to see the various colors in the spectrum when pointed at white light. “It’s not just the atmosphere that give it the color,” Shroyer said of the greenish-blue color of Uranus, the topic of the day. “From the sun, we don’t just get one color. Within that light are all the colors of the rainbow.” Holding the spectroscope up to his eye, one student cried, “Cool! That’s awesome!” after he observed the rainbow of colors before his eyes. Approximately 220 children are participating in Knox College 4 Kids, a two-week summer enrichment program for gifted students. The program expanded this year to include children who have completed kindergarten to those entering high school in the fall. “One of the real things we hope to do is to open up to these kids certain interests,” co-director Stephen Schroth said of the program. “What we also want to do is to expose them to new interests that will build upon their current interests.” Forty-eight classes are being offered in various disciplines — fine arts, humanities, science, languages and computers — are being taught by Knox College faculty and staff, area master teachers and REA ...