Labels:text | screenshot | font | number OCR: COSMIC RAY ...................... . . .. .. . . . . . . . . . . . . . COSMIC RAYS ARE very energetic particles traveling through space at almost the speed of light. Primary cosmic rays are high-energy particles outside the Earth's atmosphere that may enter our atmosphere and collide with other particles to produce secondary cosmic rays. Cosmic rays come from a variety of objects including active galaxies, supernovas, pulsars, and the Sun.
