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sun and 9 planets

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sun and 9 planets
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.
LATEST STUDY MATERIALS WITH KEY POINTS
GENERAL KNOWLEDGE
(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
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