SOLAR SYSTEM
The solar system consists of the Sun and 8 planets
Revolving around it in different orbits. The details
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
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.
No. of moons: 00
(1)
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.
No. of Moons: 00
(3) EARTH
Only planet where life is possible.
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.
No. of moons: 01
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