Where does the rainbow end? | Questions | Naked Scientists
2003年3月19日 · Because rainbows are made in the sky, they don't touch the ground. So if you're on the ground, however far you walk, the end of the rainbow will always look as if it were on the edge of the horizon. But what people don't realise is that rainbows are actually complete circles, and obviously a circle has no end.
Why does the rainbow sometimes seem to end? | Science Questions
2011年12月18日 · I have been fortunate on a number of occasions to be fairly close to the end of a rainbow, 300 or 400 meters away, where you can see the actual end of the rainbow striking the ground. If you look through it to see objects behind, you …
Is it possible to reach the end of a rainbow?
2008年12月19日 · The thing about rainbows is that the shadow of your head is always in the direct center of them. So no, you can never reach the end. In a different sense, you are always at the end of the rainbow, you are at the pointed bit of the cone of the rainbow. The person beside you has their own cone that they're at the end of too!
Have you ever experienced Driving through a rainbow....?
2007年4月21日 · You can see the end fine but you can't stand at the end- as the mad man says. And be careful, studying a rainbow whilst you're driving - you may see stars too, if you drive off the road! Thank you you cleared up the first part makes better sense , but why could I see the different colored lights in the front of my car as I approached that point.
How does my brain store information? | Podcasts - The Naked …
2018年6月8日 · Chris - Okay. Hello Annie. And just for those who are not necessarily in the know, the reason we get rainbows is because you end up with light entering raindrops. So you need a rainy sky with a bright sun behind you to illuminate the rainy sky. The rays of sunlight are coming in parallel and they're white.
Why do rainbows dissappear if you stare at them?
2007年7月22日 · Your eyes are exactly the same. If you stare at something for a while without moving your eyes around to refresh the image, the retina degrades the image and it becomes blurry. That's true of anything you look at, and as rainbows are slightly less distinct, it's more difficult for the eye to get a fix on it, and so they probably degrade more ...
Why it is that you sometimes see two rainbows in the sky?
2004年10月17日 · When light from the sun shines into a raincloud, it hits a raindrop, goes inside the raindrop, reflects off the opposite inside surface of the raindrop, and then leaves from the front again.
Why do rainbows only appear for a short period of time?
2009年5月11日 · Why do rainbows only appear for a short period of time? « Reply #8 on: 11/05/2009 17:21:02 » It needs to be raining (with fairly big drops, I think - for a bright bow) in half of the sky and the background should be fairly dark, to get a …
Is it possible to touch a rainbow? | Naked Science Forum
2016年4月16日 · On one rare occasion I did find myself at the end of a rainbow surrounded by multicolored light for a few ...
Do rainbows follow the contours of the horizon?
2007年6月10日 · It's actually neither. A rainbow is caused by sunlight hitting clouds or rain, and can usually only be seen if there is a background of dark clouds.Sunbeams go into a raindrop, reflect off the back inside surface of the raindrop and come back out of the front.