49. NCERT Exemplar VI

Stars are not visible during the day even if they are present because of the cosmic raysbright sunlightbright moonlight. The stars are visible at night and twinkles because the forcelightpressure emitted by the stars enters the Moon's atmosphereEarth's atmosphereEarth's ocean in a circular motiontranslatory motionzig-zag motion. This is due to the change in densitychange in pressurechange in force of the space and the different layers of the atmosphereatmosphereone layer of the atmosphere.