gk lokam: Planets
Showing posts with label Planets. Show all posts
Showing posts with label Planets. Show all posts

5 November 2019

Planets Earth and Mars

Planets Earth and Mars

EARTH 


Distance from the sun : 150 million km
Period of Revolution : 365 days hrs 48 min 45 sec
Period of Rotation : 23 hrs 56 min 4 sec
Escape Velocity : 11.2 km/sec
Diameter : 12,756 km
Polar diameter : 12713 km
Age : 4.6 billion years old
 

1 October 2019

Solar System: Sun and the Eight Planets

Solar System: Sun and the Eight Planets


Solar System


The sun, eight planets, satellites and some other celestial bodies known as asteroids and meteoroids  form the solar system.

 We often call it a solar family, with the sun as its Head.