General Knowledge (Latest study materials with key points)

THE UNIVERSE

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.....