General Knowledge - Figures of the Solar System



There are Sun and 9 planets revolving around it in different orbits in the solar system. The statistics of the sun and the planets are given under.

The 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 theearth 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.


Comparative planetary and stellar sizes


Sun Jupiter Earth Pluto

Planets

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 minutes . 34 sec.

VENUS: 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.

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.

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.

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.

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.
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.

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.

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 of Revolution are the same.
i.e.29 ½ days.



See how big are we here on Earth when compared to other planets.



Jupiter Saturn Uranus Neptune Earth Pluto




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