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Tuesday, August 10, 2010

Sunspot loop



It may look wild, but this image of the solar surface, captured by a NASA satellite(National Aeronautics and SpaceAdministration) called TRACE in 2000, was described by scientists as "a quiet day on the sun." In other words, spectacular loops but no storms.


Sun Statistics
Mass (kg) 1.989e+30
Mass (Earth = 1) 332,830
Equatorial radius (km) 695,000
Equatorial radius (Earth = 1) 108.97
Mean density (gm/cm^3) 1.410
Rotational period (days) 25-36*
Escape velocity (km/sec) 618.02
Luminosity (ergs/sec) 3.827e33
Magnitude (Vo) -26.8
Mean surface temperature 6,000°C
Age (billion years) 4.5
Principal chemistry
Hydrogen 92.1%
Helium 7.8%
Oxygen 0.061%
Carbon 0.030%
Nitrogen 0.0084%
Neon 0.0076%
Iron 0.0037%
Silicon 0.0031%
Magnesium 0.0024%
Sulfur 0.0015%
All others 0.0015%

Historical facts about India



1. India never invaded any country in her last 1000 years of history.
2. India invented the Number system. Zero was invented by Aryabhatta.
3. The world's first University was established in Takshila in 700BC. More than 10,500 students from all over the world studied more than 60 subjects. The University of Nalanda built in the 4th century BC was one of the greatest achievements of ancient India in the field of education.
4. According to the Forbes magazine, Sanskrit is the most suitable language for computer software
5. Ayurveda is the earliest school of medicine known to humans.
6. Although western media portray modern images of India as poverty striken and underdeveloped through political corruption, India was once the richest empire on earth.
7. The art of navigation was born in the river Sindh 5000 years ago. The very word "Navigation" is derived from the Sanskrit word NAVGATIH.
8. The value of pi was first calculated by Budhayana, and he explained the concept of what is now known as the Pythagorean Theorem.British scholars have last year (1999) officially published that Budhayan's works dates to the 6th Century which is long before the European mathematicians.
9. Algebra, trigonometry and calculus came from India. Quadratic equations were by Sridharacharya in the 11th Century; the largest numbers the Greeks and the Romans used were 106 whereas Indians used numbers as big as 1053.
10. According to the Gemological Institute of America, up until 1896, India was the only source of diamonds to the world.
11. USA based IEEE has proved what has been a century-old suspicion amongst academics that the pioneer of wireless communication was Professor Jagdeesh Bose and not Marconi.
12. The earliest reservoir and dam for irrigation was built in Saurashtra.
13. Chess was invented in India.
14. Sushruta is the father of surgery. 2600 years ago he and health scientists of his time conducted surgeries like cesareans, cataract, fractures and urinary stones. Usage of anaesthesia was well known in ancient India.
15. When many cultures in the world were only nomadic forest dwellers over 5000 years ago, Indians established Harappan culture in Sindhu Valley
(Indus Valley Civilisation).
16. The place value system, the decimal system was developed in India in 100 BC.

Feel to india proud



Q.Who is the co-founder of Sun Microsystems?
Answer: Vinod Khosla.
Q. Who is the creator of Pentium chip (needs no introduction as 90% of the today's computers run on it)?
Answer: Vinod Dahm.
Q. Who is the third richest man on the world?
Answer: According to the latest report Lakshmi Niwas Mittal is the 3rd richest man in world in 2005.
Q. Who is the founder and creator of Hotmail (Hotmail is world's No.1 web based email program)?
Answer: Sabeer Bhatia.
Q. Who is the president of AT & T-Bell Labs (AT & T-Bell Labs is the creator of program languages such as C, C++, Unix to name a few)?
Answer: Arun Netravalli.
Q. Who is the GM of Hewlett Packard?
Answer: Rajiv Gupta .
Q. Who is the new MTD (Microsoft Testing Director) of Windows 2000,responsible to iron out all initial problems?
Answer: Sanjay Tejwrika.
Q. Who are the Chief Executives of CitiBank, Mckensey & Stanchart?
Answer: Victor Menezes, Rajat Gupta, and Rana Talwar.




vicky