NASA Administrator Bill Nelson, left, talks with DC area school children about Earth Day during his visit of NASA hands-on exhibits inside Union Station in Washington, Friday, April 22, 2022. Photo Credit: (NASA/Bill Ingalls)
NASA Administrator Bill Nelson, left, talks with DC area school children about Earth Day during his visit of NASA hands-on exhibits inside Union Station in Washington, Friday, April 22, 2022. Photo Credit: (NASA/Bill Ingalls)