This is because even though all the raindrops out there are reflecting rainbow colors , they do so in very narrow beams .
这是因为即使所有的雨滴都反射光线，但是都是以极其狭窄的光束为单位进行。
While bentley may be most famous for his snowflake studies , he was an equal-opportunity weather-lover and conducted experiments with raindrops as well .
本特利不仅在雪花研究方面首屈一指，他也同样为气象爱好者，对雨滴也进行了大量实验。
The small fog droplets ( about 0.01 mm in diameter ) ensure that colors emerging from the fogbow will be nowhere near as vivid as occur in the larger raindrops that produce rainbows .
The cloud characteristics included differences in the ease with which moist air in the tropics travels into the upper atmosphere , the speed with which raindrops fatten and the level of humidity required for clouds to form .
The animal is perched on top of rocks bearing the fossil impressions of raindrops that fell in south africa 2.7 billion years ago and that were used by researchers in the us to work out what the air pressure on earth was billions of years ago .
