Other crossword clues for answer "IONOSPHERE"IONOSPHEREFrom 50 to 400 kilometers up, roughlyLayer around Earth affecting radio wavesRegion 30-250 miles above the earth's surfaceWhere the D layer isWhere Shatner went, October 2021Part of the earth's atomosphere.Outer region.Region of air above the earth.Regions of space.Region of space.Environmentalist's concernRadio wave reflectorWhere the Northern Lights occurIt reflects radio wavesBouncer of radio signals