19:23
Keep the learning going about by checking out one or more amazing information with a friend or family member about some amazing facts , ...
Keep the learning going about by checking out one or more amazing information with a friend or family member about some amazing facts , about Venus facts that will be interested to you:
Venus seems to be Earth's "sister planet" because it has quite similar size with Earth. However, Venus is very different from the Earth in other respects such as atmosphere and surface conditions. Its thick clouds lock in the heat while the surface rages with active volcanoes.
- The atmosphere of Venus are mainly carbon dioxide.
- Venus’s size is slightly smaller than Earth.
- Like the Eath, Venus also features gravity
- Surrounding Venus is clouds consisting of mercury, ferric chloride hydrocarbons and sulphuric acid. These clouds create the most corrosive acid rain which are found anywhere in our solar system. This is an awesome science facts about Venus ever.
- The clouds are so thick that little light even reaches the surface. The light that does reach the surface is converted to heat and can not escape the atmosphere making Venus the hottest planet at around 500 Degrees Celsius.
- The surface of Venus is regaded as a "stormy desert" which is full of many craters and very active volcanoes.
- The surface is compared with molten lead.
- And there is no liquid water in Venus.
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03:18
Have you ever wondered an interesting science facts question: Is light and air considered as matter? Why not? Let’s see how That...
Have you ever wondered an
interesting science facts question: Is light and air considered as matter? Why not? Let’s see how
That's a really great question. In fact this question caused a great debate among physicists during the time of Isaac Newton. Newton thought that light was a stream of little particles and other physicists such as Christian Huygens thought that the universe was filled with tiny particles called aether particles and that light was just a wave moving through the aether.
To make a long story short, it turns out they're both kind of wrong... and they're both kind of right. In some situations light sort of acts like a stream of particles and in others it acts sort of like a wave. Today many physicists (myself included) like to say that light is neither a particle or a wave... it's just light.
So, some might say that because light can carry energy from the sun to the earth it must be matter. Others might say that because you can't hold a lump of light in your hand light isn't matter. It all depends on what you mean by the word 'matter.' But the important thing to remember is that light doesn't care what you call it, it will still act the same way no matter what. That's why in physics we try not to worry too much about what things are called and focus on understanding how things actually behave.
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19:48
One of nature's most splendid masterpieces is the rainbow so what is the rainbow formation? Let's see how: The science facts ...
One of nature's most splendid masterpieces is the rainbow so what is the rainbow formation? Let's see how:
The
science facts about rainbow is that rainbow is an excellent demonstration of the dispersion of light and one more piece of evidence that visible light is composed of a spectrum of wavelengths, each associated with a distinct color. To view a rainbow, your back must be to the sun as you look at an approximately 40 degree angle above the ground into a region of the atmosphere with suspended droplets of water or even a light mist. Each individual droplet of water acts as a tiny prism that both disperses the light and reflects it back to your eye. As you sight into the sky, wavelengths of light associated with a specific color arrive at your eye from the collection of droplets. The net effect of the vast array of droplets is that a circular arc of ROYGBIV is seen across the sky. But just exactly how do the droplets of water disperse and reflect the light? And why does the pattern always appear as ROYGBIV from top to bottom? These are the questions that we will seek to understand on this page of The Physics Classroom Tutorial. To understand these questions, we will need to draw upon our understanding of refraction, internal reflection and dispersion.

The birth of each rainbow begins with millions of tiny rain droplets. The rain droplets serve as a type of reflector of light. White light enters one individual rain droplet and exits as one specific color of the spectrum. Without millions of rain droplets, a rainbow would not occur. If you only had a few rain droplets you would only see a few colors. This is typically why rainbow appear after a rain storm.
Each rain droplet has a function in the formation of the rainbow. Sunlight enters the rain droplet at a specific angle and the rain droplet separates the white light into many different colors.

This angle is a fixed measurement between your eye and the sun. What color is refracted depends upon the critical angle, which is the angle the sunlight strikes the back of the rain droplet. Red light bends the least, exiting the rain droplet at a 42 degree angle, while Violet light bends the most, exiting the rain droplet at a 40 degree angle. All of the other colors of the rainbow exit the rain droplets at some angle between 40 and 42 degrees, thus making up the colors of the rainbow ROYGBIV, this order never changes.
Each rain droplet reflects all colors at a given point and time, but only one color comes back to your eye, requiring million of rain droplets to create a rainbow. As the rain droplets fall through the sky, the colors of the spectrum being reflected and refracted are constantly changing.
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