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saad ahmed
Attends Sultan Mohammad Shah Agakhan school
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saad ahmed

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Hubble Sees a Stellar "Sneezing Fit" - Look at the bright star in the middle of this image. It appears as if it just sneezed. This sight will only last for a few thousand years — a blink of an eye in the young star's life.
If you could carry on watching for a few years you would realize it's not just one sneeze, but a sneezing fit. This young star is firing off rapid releases of super-hot, super-fast gas, like multiple sneezes, before it finally exhausts itself. These bursts of gas have shaped the turbulent surroundings, creating structures known as Herbig-Haro objects.

These objects are formed from the star's energetic "sneezes." Launched due to magnetic fields around the forming star, these energetic releases can contain as much mass as our home planet, and cannon into nearby clouds of gas at hundreds of kilometers/miles per second. Shock waves form, such as the U-shape below this star. Unlike most other astronomical phenomena, as the waves crash outwards, they can be seen moving across human timescales of years. Soon, this star will stop sneezing, and mature to become a star like our sun.

Credit: ESA/Hubble & NASA, Acknowledgement: Gilles Chapdelaine

#nasa #space #science #hubble #hst #astronomy #gas #star #physics
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saad ahmed

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Law and order situation of Karachi has been a matter of concern for all Pakistanis and it ultimately resulted in an operation that is still going on. Originally though, it was the CJP who kick started the operation but I still believe it is a commendable act on the part of both the provincial ...
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hey
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You must have heard the expected but still painful news that the Senior section is open on 21, 23, 26 and 28 December, 2013  from 800 hrs to 1400  hrs.  There shall be 4 periods of one and a half hour each.
The four periods for our class, Sr III G shall be Maths, Physics, Chemistry and Pakistan studies. There is a bit of confusion about the PST period as I have HEARD that ms. Shakila shall shall not be here during the vacations.
hope you take the bad news as lightly as possible.
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cancelled :-D
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saad ahmed

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To realize 
The value of a sister/brother
Ask someone
Who doesn't have one.

To realize
The value of ten years:
Ask a newly
Divorced couple.

To realize
The value of four years:
Ask a graduate.

To realize
The value of one year:
Ask a student who
Has failed a final exam.

To realize
The value of nine months:
Ask a mother who gave birth to a stillborn.

To realize
The value of one month:
Ask a mother
Who has given birth to
A premature baby.

To realize
The value of one week:
Ask an editor of a weekly newspaper.

To realize
The value of one minute:
Ask a person
Who has missed the train, bus or plane.

To realize
The value of one second:
Ask a person
Who has survived an accident.

Time waits for no one.

Treasure every moment you have.

You will treasure it even more when 
You can share it with someone special.

To realize the value of a friend or family member:

REMEMBER SOMEONE YOU LOST.
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saad ahmed

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A Beautiful End to a Star’s Life

NGC 2392 - Eskimo Nebula

NASA's Chandra X-ray Observatory 
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People
In his circles
93 people
Have him in circles
53 people
Rahim Mawani's profile photo
Syed Fayyaz's profile photo
Masood Ahmed's profile photo
Tariq Fauzi's profile photo
Hasnain Noorani's profile photo
Saad Shah's profile photo
Anusha Bachlani's profile photo
Yasir Wazankash's profile photo
Alkhidmat Sindh's profile photo
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  • Sultan Mohammad Shah Agakhan school
    science, present
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