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السبت، 10 نوفمبر 2012

Is it true that the life cycle of stars?? Are the stars in the sky undergoing childhood and youth and old age???

Stars

Those glittering objects in the night sky
Those lights that guide DrifterAnd adorn the sky boasts the page

What is it??Is it true that the life cycle of stars??Are the stars in the sky undergoing childhood and youth and old age???
And I wonder
Do you light the end??

Let's go on a nice tripTo get to know the lives of these strange objects called

Stars

Stars are objects composed mainly of hydrogen element and some other elements Kalnatroyjan and other elementsBut its basic content is hydrogenH2

How the stars formed??Or rather,
How "breed" stars???

Exist in space clouds called nebulaePlural Nebula
Nebula



And clouds composed of hydrogen gasH2And dust

The dust particles and hydrogen atomsAttract each otherAnd begin to move closer to each otherEven gather at a certain point
This point is called
AlbrootostarProtostar
And this may be a has the birth of a new star
Where it can be likened to AlbrootostarEmbryo when it is in his mother's womb
If the temperature of the nucleus Albrootostar inadequateWill not glow this star
And becomes his name
Brown dwarf
Brown Dwarf
However, if the temperature of the nucleus of sufficient BrocostarWill begin this star glow
And so begins the life of this little baby
And we thus entered the stage


Main sequence


And is the most important stage in the life of the star
Which can be comparedChildhood, adolescence and youth in humans

Illuminate the stars because of the nuclear reaction (nuclear fusion), which getsWhere hydrogen atoms fuse hydrogen atoms together

This reaction converts hydrogen inventory in the star to the enormous energyIn the form of light and heat

And then later turns hydrogen into helium gasWhich is like nuclear ash to interact winning

Produces a nuclear reaction Ghazi in pressure inside the star
Where this gas to pay the outer shell of the star to the outsideThe star attraction that attracts star crust to the interior


Occurs that balance and continue to star on the size and continue lighting

But after a period of timeMillions or billions of years in some of the starsEnd inventory hydrogen in the starIn other words, end the fuel that makes the star يتوقد
Star who shall use and burning helium in the coreThus eliminates the gas pressure inside the starBecause combustion is the combustion of helium and not hydrogen
No, there is no gas inside the star pays crust abroad
Vinkmh star inside on itself due to gravityThe outer shellA tremendous increase in size in a way to allow the heat emanating from the nucleus of the starOut into space

Thus, the star of the home has shrunk himselfAnd from abroad may be extended and increased its size

Thus becomes the name of the star in this case
Red giantRed giant
OrA huge red giantRed supergiant
By mass of the star
Red GiantConsidered as a mid-stage human Alamrand



And to know the extent of the size of this giant red
Scientists say that when the sun turns into a red giantIn the future

Swallow this giant redThe first four planets near the sunAny Mercury, Venus, Earth and Mars as well as

This compared to a giant red with sun
As you can see the sun is not apparent medium-sized star in the pictureIt is the white point that appear at the top of the imageThe Red Giant is the oldest star in sizeAnd see the dotted line in the imageAnd Mars orbit if we put giant red in place of the sun
But Red Giant is almost empty from the insideTo shrink its nucleus inward due to gravity
Thus ends the main sequence phase of the star
And start a new life stage stars

Where this phase depends on the mass of the star first

If the mass of the star before turning into a giant redEqual hired by the sun or lessWill wear off giant red slowly component
Planetary nebulaPlanetary nebula
And planetary nebula is a cloud consisting of hydrogen gas, dust and plasma

To come out of the center of this nebula star called
White dwarf
White dwarf

White Dwarf and radiatesBecause of his high heatAnd by combustion of some carbon (non-nuclear reaction) This carbonIs Ansralamtkon of helium burning in the red giant phase

But if the mass of the star larger than the mass of the sun at least ten timesRed giant Vsibdd and but not in the form of planetary nebulaBut by a massive explosion scary and called
Super NovaSupernova

To come out from the center of the explosionStar called
Star Neutron star

And is very dense starAs one cubic Santimitr himMay weigh up to thousands of tonnes


If the block is the biggest star of the mass of the sunTwenty-five at least once

Vsibdd giant red by a supernova explosionTo come out from the center of the explosion of the so-called
Black holeBlack HoleWhere it may be the size of the black hole the size of a street in a small townAnd but cube Alsantimitr it may weigh up to billions of tonnes
In other words,That if we take one teaspoon of black hole materialAnd Ogaynaha on the planetWill penetrate this small amount groundAnd graduated from the other side
So it is a terrifying attractive and very alarmingEven light can not escape from the attractive black hole

These stages are consideredServes as the stages of aging and death of stars
Such as rights




And now
I offer you this video
Where are you going to trip enjoyableAbbreviated 12 billion inIn 6 minutes

Glory to God AlmightyWho created the stars and otherAnd make them embellish the sky
He says: ((and have adorned the lower heaven with lamps and made it Rjoma demons))

And sincerity of the Lord of Glory and Majesty when he said:
((For the creation of the heavens and the earth is greater than the creation of mankind, but most people do not know))Ghafir - 57

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