The difference of the stars in color. Spectra of normal stars and spectral classification

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2018-03-19 16:37:21

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In outer space inhabited by stars of different types which differ from each other in their structure, radiation intensity, in color, which they create around themselves and in a number of other features. On this basis, it was prepared separate specifications for each type of the heavenly bodies. Fortunately, they turned out to be too much, and they can all fit in our article. So below we'll look at how to identify the stars difference in color, what it all means and how it affects the environment.

What is a star?

In fact, any star is a huge fiery ball of plasma. It is composed of components such as hydrogen and helium, which, touching each other, forming a huge flow of heat and light. After the status of these two components around the star is normalized, it begin to surround the planet. They are formed from the space rocks, asteroids, comets, or other, more complex reasons. But it is worth noting that the stars difference in color enables us to understand whether around a specific celestial bodies to form planets. Typically, such satellites appear around stars with higher illumination and heat. So what color stars are characterized by various features that we describe below.the difference in color of stars

Heavenly body of the class “About”

These space objects are among the brightest in the universe. The stars of blue is the biggest in its radius, mass and luminosity. Its name they got due to the fact that emit such a bluish tinge which is visible to the greatest distance, even by cosmic standards. The fact is, its chemical explanation – in this plasma ball, elements such as helium, nitrogen, carbon, and other very highly ionized, resulting in the ultraviolet glow. Stars of blue color, despite its power and gigantic proportions and live very little. On average, their existence stretches over 1 million years, after which the star explodes. Such heavenly bodies the planets are theoretically habitable, formed extremely rare. Bright representative of this type is the star Garni.name and color of stars

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A Little less light – category «»

We will Now consider the category of white-blue space stars that are a little behind its predecessors on all counts. As the name and color of the stars in astronomy are always the same, we will not describe their appearance. The characteristic shade of the outer body receives due to the fact that plasma is ionized hydrogen, while helium reaches the virtually neutral state. It is the last element creates around them a white shell, which often presented in the form of strips. Live such luminaries for 10-15 million years, and the likelihood that around them can form a planet, suitable for living, is very high. Find blue and white star on the sky in the constellation Virgo. They called Spica.star blue

Star categories «And»

Stars of white color are among the most popular in the cosmos. The intensity of fluorescence was big, but huge amounts of radiation and other radiation do not interfere with other comic bodies, which are located around them to lead a normal life. Space objects in this category have an exceptionally white color due to the fact that they hydrogen reaches the neutral state. This makes it, in synthesis with other components, in a white mass, which emits countless Kelvin, turns into heat and light. Star white also called "striped" as the hydrogen emerges to the surface in the form of strips. The duration of the existence of such stars ranges from 400 million to 2 billion years. Such celestial bodies we encounter in the constellations Canis major (Sirius) and Lyra (VEGA).star white

A Group of stars under the code “F”

The fact that the name and color of the stars will always coincide with each other, we have chemical processes that take place there. Therefore we will now consider space plasma giants, who fall within the category of “white” and have a characteristic glow. The hydrogen in these celestial bodies no longer contains that a huge number, as in the above cases. Here on the contrary, is dominated by other metals-iron, titanium, and calcium. They are ionized, giving the melting plasma is a slightly yellowish hue. Since the star is not too large in size, this color is for her salvation. It can be seen billions of light years, because astronomers can see these cosmic objects through their telescopes, even if they are very much removed from Earth. Such stars live for more than 4 billion years, and often gather around a parade of the planets could support life. Representatives of this group are luminaries of the short allowance and Repay.yellow star

The Star called the Sun… consider a class “G”

Next on our list are starsyellow, the most vivid for us representative of which is the Sun. Such cosmic body are filled with various metals, chief among which is calcium. They are very highly ionized, as a result acquires a deep yellow tinge. Greater intensity is given to it by other heavy metals also melt under extreme temperatures. Strips hydrogen then quite invisible, and the very substance found in the yellow stars in very small amounts. The life expectancy of such bodies is approximately 10 billion years. This allows not simply to gather around himself a certain number of planets, but also to keep them in their orbits for a sufficiently long (on a cosmic scale) time. For example, take a look at our Solar System.red stars

Star «»

Because the difference in color of stars officially recognized by the astronomical system in the world, we come to the penultimate category, which is called “orange”. The composition of these celestial bodies the hydrogen is already contained in a very small state, because he himself shows little. White lines on the surface is almost not visible, but the results of the melting of other metals that make up the star, highly visible. Then there are the aluminium, titanium, and iron, and most importantly – calcium. The melting point of all of these elements here is not too high. This purple plume that can be seen for brighter stars (of category O, A, etc.), here is completely absent. However, despite the low temperature and small size, orange stars can gather around him a small planetary system. They are not always the source of life, but they do exist until, until you disappear from the space itself orange “sun”. His life is measured in billions 60 years. Stars-the representatives of this category – Yavin, Aldebaran and Arcturus.the color of stars

Smallest sprocket – group by “M”

The red Stars are characterized by very cold temperatures and weakened by the processes of melting metals. They also have very little options compared to its giant counterparts, small weight and power of radiation. Reddish glow around the sun created by the fact that there are melted down the different metals, and because their degree of oxidation reaches its maximum, and the molecules simply absorb each other. Around such red dwarfs are very rarely formed planets suitable for habitation. Betelgeuse-the brightest representative of this category, whose age is estimated in the tens of trillions of years.

Unusual heavenly bodies

We have Just considered how a distinction stars in color, but the fact that there are some anomalous categories of those celestial bodies not mentioned. Well, actually, in space there are stars category “C”. You can tell the synthesis of orange and red star, which contains the maximum number of different metals. The main feature of the category – there are atoms that absorb the carbohydrate and hydrogen, which makes the star even more cold and pale. Much more anomalous is the star of the class “S”. It is very similar to orange, but instead of a large amount of titanium it is composed of the same Zirconia.

Conclusion

As it turned out, what colors are the stars and how to classify them, can tell us exactly their appearance. The glow and hue are created with materials that are there are melted and form a certain compound. They stand for a specific degree, spreading in space not only light but also heat, which can heat or burn nearby objects.


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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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