Why is the sky blue? Everyone loves a clear sunny day, but have you ever looked up and wondered exactly why is the sky blue? The answer lies in the physics of when sunlight passes through the atmosphere. The light rays are scattered in all directions as they hit the air molecules, and...
WHY IS THE SKY BLUE:Light is a kind of energy that can travel through space.Light from the sun or a light bulb looks white,but it is really a mixture of many colors.The colors in white light are red,orange,yellow,green,blue and violet.You can see these colors when you look at a ...
If you were in space, the sun would look white. But, when the blue colours are removed from white light in our atmosphere, the remaining colours appear yellow to our eyes. It's the same reason that in space, the sky looks black, instead of blue. This happens because there is no ...
On the other end are the short, choppy blue waves. CBS Boston Because of their shorter nature, blue waves are scattered much more than the other colors, and therefore that is what we tend to see when looking to the sky from the Earth's surface. What about orange sunsets? But the ...
主语the earth's surface和谓语动词cover之间为被动关系,被动语态用be+动词的过去分词表示,又根据上句时态可知用一般现在时,故选B。 结果三 题目 -Why does the earth look blue in space?-Because most of the earth's surface ___ by water.( ) A. covers B. is covered C. cover D. are covered...
On a clear sunny day, the sky above us is a brilliant blue. In the evening, the sunset puts on a beautiful show of reds, pinks and oranges. Why is the sky blue? What makes the sunset red? To answer these questions, we must learn about light, the Earth's atmosphere, and how these...
If you've ever wondered why, like Irving Berlin, you see "nothing but blue skies," you're in good company. We've probably all looked up and wondered, "Why is the sky blue?" at one time or another in our lives. It took many centuries and a lot of smart people — including ...
( B )1.-Why does the Earth look blue in space?-Because most of the Earth's surface by water. A. covers B. is covered C. cover D. are covered( C )2.I Linda's cousin Canada. In fact, he is American. A. thought; is from B. think; was from C. thought; was from D. ...
Why is the sky blue but black at night? During the day (daylight) the sky has a blue appearance because the Sun`s light (white light) is made up of rainbow of colors (red, orange, yellow, green, blue, indigo and violet) of different wavelength. ... The black sky at night that ...
The real reason why the sky is blue is a bit involved, but it isn’t too hard to understand. To understand it, you need to know a bit about the nature of light, our sun, our atmosphere, and even the human eye. Let’s start with light. ...