Nitin Singhania

 Nitin Singhania

Nitin Singhania holds a Bachelor’s and a Master’s degree in Economics from Presidency College, Kolkata. He is also a Chartered Accountant and Company Secretary. He worked in Coal India Ltd. before joining the Indian Administrative Services (IAS) in 2013 in West Bengal Cadre. He has deep interest in Indian Art and Culture and is known for guiding students in this area. Presently, he is posted as Sub divisional Officer in Purba Bardhaman District of West Bengal. Earlier he has worked as Assistant Secretary in Ministry of Home Affairs, Government of India and as Assistant Collector in Burdwan, West Bengal.

GENERAL KNOWLEDGE

GENERAL KNOWLEDGE

LATEST STUDY MATERIALS WITH KEY POINTS THE UNIVERSE

(4) MARS

Diameter : 6,755.2 Kms. Distance from the Sun : 225.6 Million Kms. Period of revolution : 687 days Period of rotation : 24 hrs 37 mts. 22.663 sec.

(5) JUPITER : This is the largest planet

in the solar system. Diameter : 141,968 Kms. Distance from the Sun : 772.8 Million Kms. Period of revolution : 11.9 years Period of rotation : 9 hrs 50 mts. 30 sec.

(6) SATURN : It was discovered by

Galileo. Diameter : 119,296 Kms. Distance from the Sun : 1,417.6 Million Kms. Period of revolution : 29.5 years Period of rotation : 10 hrs 14 mts.

(7) URANUS

Diameter : 52,096 Kms. Distance from the Sun : 2,852.8 Million Kms. Period of revolution : 84 years Period of rotation : 16 hrs 10 mts.

(8) NEPTUNE

Diameter : 49,000 Kms. Distance from the Sun : 4,497 Million Kms. Period of revolution : 165 years Period of rotation : 18 hrs 26 mts.

(9) PLUTO : This is the coldest and smallest of all planets. It is also the most distant one. Diameter : 3,040 Kms. Distance from the Sun : 5,865.6 Million Kms. Period of revolution : 248 years Period of rotation : 6 days 9 hrs and 18 mts.

MOON : Moon is earth's satellite. Its period of rotation and Period the same. of Revolution i.e.29 12 https://www.prepare-us.com/SOLAR SYSTEM - STATISTICS The solar system consists of the Sun and 9 planets revolving around it in different orbits. The statistics of the sun and the planets are given below :

SUN Age : About 5 Billion years Distance : 149.8 Million Kms Diameter : 1,38,400 Kms. Photosphere temperature : 5,770 K Core temperature : 150,000,000 K Absolute visual magnitude : 4.75 Rotation (as seen from the earth at the equator) : 25.38 days Rotation (near the poles) : 33 days The sun consists of 71% of Hydrogen, 26.5% Helium and 2.5% of other elements. The rays of the Sun take about 8 minutes to reach the earth.

PLANETS

(1) MERCURY : It is the planet nearest to

the earth. Average distance to the Sun : 57.6 Million Kms. Diameter : 4,849.6 Kms. Period of revolution : 88 days Period of rotation : 58 days 15 hrs 30 mts. 34

sec.

(2) VENUS : It is also known as the Morning Star or the Evening Star. It is the brightest of all the planets. Diameter : 12,032 Kms. Period of revolution : 225 days Period of rotation : 243 days 14mts.

(3) EARTH

Equatorial diameter : 12,756 Kms. Polar diameter : 12,714 Kms. Distance from the Sun : 149,597,900 Kms. Period of revolution : 365 days 5 hrs, 48 mts,

45.51 sec. Period of rotation : 23 hrs 56 mts. 4.09 sec.are

days.

To be Continue...............................