Parrodhi life Part 3: Is Silicon based life possible? | Looking for silicon-based alien life? | Silicon-Based Life May Be More Than Just Science Fiction

Parrodhi life Part 3: Is Silicon based life possible? | Looking for silicon-based alien life? | Silicon-Based Life May Be More Than Just Science Fiction

Silicon based life possible? 

As an alternative to carbon, Silicon was proposed in 1891 by astronomer Julius Scheiner. The reason behind this argument was that many of the silicon compounds are still at high temperatures, according to this concept, the planetary life of higher temperatures compared to Earth is more likely to be silicon based. By the time of 1909, Silicon was considered as a serious candidate for alternative life, so when chemist J E. Rinaldus said that silicon life can replace carbon in the body, no one is surprised. After this, Sir Herald Spencer Jones had said that only Silicon has the ability to build additional complex molecules of carbon. Currently, Silicon is the most popular candidate and its supporters have names such as William Baines, Peter Molton, Stephen Benner, and Vieux Firsaf.

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Silicon based life

silicon based life 

The most special characteristic of silicon is to be related to the group of carbon in the periodic table, which also has a lot of properties like carbon, including the ability to make four bonds (single bonds). Silicon can also make bonds of same element bonds from silicon; this capacity is less than carbon, but this capability is also in silicon. Silicon can also create series like carbon, branch chain and ring structure. Availability in silicon is also abundant, 28% of Earth's terracotta is silicon, which is 1000 times more than carbon. This means that unlike carbon, the availability of silicone will be more in the other smaller rocky planets.

Three classes of Silicon compounds-Silicon based life

Silicon responds heavily to oxygen, on this basis we will discuss silicone chemistry for three main classes.

Sillen: Silicon composite is similar to hydrocarbon compounds of carbon, in which the silicon atom is directly tied to other silicon atoms. In this class, we will include all the molecules in which the other element is connected to the spine of the syllable structure. This role plays a hydrocarbon group of carbonic chemicals. But there is one condition in this group that we have not included the molecules in which silicon is in direct bond with atomic oxygen because we will see these molecules in the next two groups.

Silicate: A silicate molecule unit is connected to the silicon atomic four oxygen atom. These silicate units are attached to other similar silicate units sharing the oxygen atom. In this article we are carrying silicate or silicon oxide in the form of compounds in which silicon atom is primarily in bonded to oxygen atom.

Silicone: The silicone molecule between silen and silicate. In the basic structure of these molecules silicon is associated with one atomic atom after one. The two bonds left of the silicon atom are associated with organic molecules.

We will see these three groups differently because the behavior of these three is different from each other. In this way, there may be three types of silicon-based life, silen-, silicate- and silicon-based life. Can one or three of these three build the basis for life? If you can, then what conditions will be required for them. Now we will see these three one after the other.

As the basis of life: Sillen - Silicon based life

Siellen is the most natural candidate for alternative biochemistry because he is the only life base on earth on the basis of hydrocarbons. It also includes limited capacity to manufacture large polymer molecules. Complex, the creation of large bio-molecules is the most important quality, and carbon is the only other atom that holds this capability. Silicon maintains much similarity with carbon but silen does not have the ability to create complex molecules like carbon. The reasons for this are given below.Silicon based life

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Silicon based life

Weak silicone-silicone bond: Single bond of silicon-silicon is 20 percent weakened by carbon-carbon bonding. See the table. For this reason, sillen has fewer stability than hydrocarbons.
Lack of strong multiple bondage Silicone builds multiple binding in extremely rare conditions, so that it lags behind the number and variation of the compounds possible in comparison to the carbon.
Chemical activation more than carbon: Silicon compounds are more active than compounds of organic matter. For example, methane (CH4) is inactivated in the air and only reacts with oxygen in the presence of spark or flame. While silicon-equivalent Siellen compound, SiH4 automatically responds to oxygen in the air. This greater activation of silicon will be disastrous for the molecules that store the information. This lack of celane can be overcome at very low temperature, which we will see further.

Hypersensitivity to oxygen: Silicon is susceptible to oxygen because it produces strong bond from oxygen. This means that such molecules with silicon-silicon bondage will not be able to stay in the presence of oxygen in the air. This means that silicon based life will grow in the oxygen-free environment (Aoxic).

Incompatibility to water and ammonia: Syllen usually responds to both water and ammonia. This is because silicon creates a strong bond between the oxygen present in the water and the silicon in both ammonia nitrogen. It also means that silicon bioscience will have an environment in which both water and ammonia are absent or rare in liquid form. The presence of fluid water and fluid ammonia will not be present in excessive cold or extreme heat. But in these circumstances we will need the alternative fluid life solvent of these two.

Silicone - Hydrogen bond is not more stable. Silicon-hydrogen bonding is a major problem for cilane. First, these bonds are very active and react with water or oxygen compounds. Second, the presence of these bonds makes the entire molecule unstable. For example, simple silen, which contains only silicon and hydrogen, becomes unstable only after six continuously silicon atoms. However, no such limit is known for hydrocarbons. The reason behind this is that silicon is a little less electrically less than hydrogen. For this reason, hydrogen bonded with silicon becomes partially negative by which it becomes very active. Such a molecule in which a silicon atom is tied only to a hydrogen atom is partly stable but highly functional, in which the second, the third hydrogen atom becomes unstable and unstable. This limits the number of maximum hydrogen atoms in a molecule. Due to this reduction, the limit is also determined on the number of infrastructure that can be manufactured by silicon.
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si element

We have already discussed the boundary over the long chain structure, that the most basic requirement for biochemistry is the creation of a long complex chain formation. Apart from silicon carbon, there is only one element which can create a long chain structure of noticeable. For this topic we will now divide the sillen into two groups and discuss. The first group is comprised of simple (non-polymer) silen. Chemists have created many such molecules, but the biggest example is only 26 silicon atoms. The second group is Polycyllene, which is a polymer made of simple silencer. The length of its molecules can be up to 40,000 silicon atoms. There are many drawbacks of polycylene, firstly a few simple organic structures can be added because they do not respond more to these organic structures. The second and the biggest drawback is that all of these polymers are the same, in which there can be the same organic in the side of every silicon molecule, while there may be too many for biologically active polymer (DNA, protin) and not recursive The structures of which are required. In summary, simple silenon has chemical variation but the size is small, whereas polyacylation can form long chain formations, but there is no necessary variation for biological chemicals.

Due to all these shortcomings, silen chemicals can flourish in low temperature and hydrogen richness but lack of oxygen. An exception is, the excessive cold conditions, which we will discuss next.

Single bond energy with element carbon (kJ / mol)
Single bond energy with silicon (kJ / mol)


410 380


Nitrogen 310


400 375
Silicon 375 320

Silicate to life base-Silicon based life

For silicon chemistry, the weak silicone-silicone bond is the biggest reduction but the strong silicone-oxygen binding is the biggest potential. Silicon-oxygen bond is 60% stronger than silicon-silicone bond and it is also stronger than carbon-carbon single bond. It makes silicate structures very strong and sustainable. There is the abundance of silicate on the Earth and other rocky planets. 90% of the Earth's terracotta is made of silicate with silicon, oxygen and other elements. Silicate is highly durable in chemical form, unlike cilane, they do not react more to oxygen, water or ammonia. They are also stable in heat and they do not have any effect on extreme temperatures, for example, to heat silicate, temperature should exceed 1000 ° C. Some exceptions are melted at 500 ° C. Based on this concept, silicon based life can be found on planets like the 78b Planb, which orbits its maternal orbit, and their surface will be like melt lava. Such a life can flourish with Magma on the earth under the horizon.
Silenic acid does not have many deficiencies, but when it comes to biochemistry, they also have some serious limitations.

Silicate forms crystal structure rather than polymer. Most of the silicate is found in cliffs which make the horizontal on the earth. For example, the simplest silicate is silicon dioxide (SiO2) which is in the form of ordinary sand. Such crystal structures are not useful for creating complex biological molecules.

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silicon atomic number

Chemically stability, rather than characteristic in the reality, reduction: Chemical chemistry is essential for biochemical but more stability makes them chemically inert. Silicon oxide is so stable that it is almost impossible to biologically require the chemical function. Silicon oxide is the weakest option in the form of life.

Availability of silicon in the environment: Silicon is available in abundance in the earth, but it is in silicate rock form. Silicate-based minerals are highly stable; So stable that once they have been created they remain the same for a long time. These minerals are generally inactive and do not dissolve in water. Carbon dioxide is the opposite gas of silicon dioxide and is soluble in water. Availability of silicon is very high in comparison to carbon but is not easily available for water or in water for biological processes.

Difficulty in emission: silicon-based biological metabolic processes will create silicon dioxide, it is similar to the creation of carbon dioxide in carbon-based biological processes. But silicon dioxide is solid crystal whose silicon-based organism's body will be difficult to emit. We can not accurately predict the process of this emission, but this process must be complex and difficult with the emission of carbon dioxide gase.

Excessive chemical reactions: Chemical reactions occur at high temperatures at high speed. For silicate chemicals, too high temperatures (more than 1000 ° C), all serious biological processes at this temperature will be so sharp that keeping organic organisms under control can be difficult.
Unavailability of proper solvent: For life a solvent must have major biochemical processes. At such high temperatures, it is extremely difficult to obtain a liquid form of a substance that can assist biochemical processes.

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silicon trees

It is clear that silicate chemicals are a weak candidate for a complex life. But if silicate-based life is present then it will be on very high temperatures on the silent planets with a rich presence of silicate. It is also an important fact that this kind of atmosphere is available near the magma below the ground floor of Bhuprapati. We have no evidence that some kind of life was present on earth. If there is no silicate-based life even in situations like the Earth, then the probability of being unknowable is negligible.

Silicon as the basis of life - Silicon based life

Silicone is a silicon-based alternative to life-long choice. In the original molecule of silicon-based life, silicon and oxygen will be followed by one series of atoms which will benefit from the strength and stability of silicon-oxygen bond. The remaining two bonds of every silicon atom will be connected to the carbonic group. Organic groups associated with a series of silicon-oxygen molecules will determine the properties of the polymer. Silicone will take advantage of the special properties of silicon and carbon, which will have the flexibility of silicate and the flexibility of the hydrocarbons.

Silicone is not found in nature; they were studied by Frederick Kipling in 1901. After that, different silicon materials have been studied. They are very useful in the industry because their properties are very useful, such as low toxicity, stability at high temperatures, resistance to puerperine rays, resistance to the atmosphere's oxygen and water safety. High fever lubricants in their use Waterproof, electric insulators and cooking equipment. Most silicon is used in high temperature devices such as devices with temperature of 260 ° C.

The biggest reason behind the silicon-based life is the ability to build complex and long polymer by them. This ability is likely to create permanent and complex molecules in which zinetic information can be stored or it can produce molecules equivalent to molecules like DNA, RNA. Second significant capacity higher

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silicon based life

Some goals emerge from silicon-based life, but there are four important challenges in front of it. Silicone content starts to break at 400 ° C, which is slightly more than 200 ° C of carbon chemicals. Therefore, the carbon-based substances of silicone matter do not show much benefits of stability over temperature. Silicone is not found naturally in the atmosphere of the earth; they are man-made. This creates its natural form and reduces the possibility of creating basic molecules for life on a planet or on its moon. The carbon group is essential and important in silicon molecules but the carbon group prefers to connect with other carbon groups rather than silicon because they are comparatively more stable. This kind of unexpected response will be a serious challenge for silicon-based life. Silicone is waterproof, it means that water will not be used as a solvent for biological processes. The biggest problem with this is that more temperatures (200-400 ° C) on which carbon is better on silicone, no other universal solvent is available.

Final Chance - Silen based life at extremely cold temperatures -Silicon based life

Carbon based life is a better candidate than Cylikan on heat-like conditions. But the possibility of celen-based life in cold conditions is better than carbon-based life, especially at such temperatures where nitrogen is also fluid (-196 ° C). Such conditions are found on the outer planets of the solar system such as Uranus and Neptune. In these heterogeneous situations, there are two challenges, the solutations of the first molecules are temperature-dependent, so in extremely cold conditions the solvent is extremely low Simple molecules get solubilated. Second, the rate of chemical process also decreases according to the temperature, the process of conventional carbon-based processes still stops at this temperature. If there is no organic process at this temperature then no other process is possible. Will not be.

Silicon has many such qualities that can be useful in these odd situations. First, some sillanal (similar to carbon of alcohol) retains its solubility even at very low temperature and it is possible that they become condensable and able to build even more complex molecules. The second important quality is that more chemical sensitivity of silicon which is a barrier to the temperature of the earth can also be useful by continuing even on soft temperatures. Water and ammonia are solid at this temperature as a bonus, and they will not be available for the inhibition of silicon-based chemical processes. There is not much research in this area, but there are many challenges that it seems that at the very least temperature silicon based life is negligible.

Conclusion: The possibilities of silicon based life are limited.

What is the conclusion of this? First of all, silicon is not as many as carbon. For example, chemists only know about 20,000 silicon compounds, while more than one million compounds of carbon are known, as well as the possibility of potential organic compounds are theoretically unlimited. In this way the compound building capacity is less than 500 times less than the silicon carbon. This is a major drawback in the biological chemicals sector because in a large number of biochemistry, different compounds are required. With this Silicon Yugiko has his own drawbacks. Silenine can not produce stable compounds due to excessive activity, silicate forms crystal structure rather than flexible polymer while silicone is not naturally produced. The last and most important reduction is that silicon can not produce long chain molecules like carbon, in which the protection of genital information can be preserved, it is the necessary condition for any life. From all this it is certified that silicon can not fulfill all the necessary conditions for life, not even a cellular life.

Presently, there is a lot of limitations and conditions of silicon. Carl Sagan, who gave the word "Darkness", believed Silicon could not fulfill the appropriate conditions for life. They canceled Silicon due to the inability to build long chain molecules for the storage of information and the difficulty of emitting silicon dioxide.

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Parrodhi life Part 3: Is Silicon based life possible? | Looking for silicon-based alien life? | Silicon-Based Life May Be More Than Just Science Fiction Parrodhi life Part 3: Is Silicon based life possible? | Looking for silicon-based alien life? | Silicon-Based Life May Be More Than Just Science Fiction Reviewed by BlindAIM on December 21, 2018 Rating: 5

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