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Researchers said on Wednesday the planet is a "super-Earth" - a rocky world significantly larger than our planet but smaller than Neptune - and it orbits perilously close to a star dimmer and ...
The electromagnetic spectrum is the full range of electromagnetic radiation, organized by frequency or wavelength. The spectrum is divided into separate bands, with different names for the electromagnetic waves within each band. From low to high frequency these are: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and ...