The hottest stars also emit a significant fraction of their light in the ultraviolet band. 最热的星星还能够以紫外线波段的形式发出强烈的折射光。
A triangular prism can separate white light into its constituent colors by refracting each different wavelength of light by a different amount. 三角形的棱镜不同量地折射光不同的波长，可以将白光分解成其组成的颜色。
