Goverment

Goverment 

What is goverment ? 
Goverment has been defined differently by different authors. According to J.W.  Garner , ''Goverment may be defined as the agency or machinery through which common policies are determined and which common affairs and regulated and common interests promoted .


how many types of goverment ?
there are three types of goverment
1. local goverment                2. state goverment            3. central goverment 

Satellites

satellites 

what is satellites ? 

there are some smaller celestial bodies as well in the solar system. These small bodies are called satellites. The satellites revolve round the planets in the same way as the planets revolve the sun. Our earth has one satellites which we call the moon.

how many types of satellites ?
there are two types of satellites.
1, Natural satellites        2. Man-made satellites 

1. natural satellites :- A natural satellites, or moon, is, in the most common usage, an astronomical body that orbits a planet or minor planet in the solar system.

2. man-made satellites :- A man-made satellites is a machine that is launched into spaces and orbits around a body in space. Example of man-made satellites includes the Hubble Space Telescope and the International Space Station. 

Light year

Light year 

what is light year ?

A huge distance between all celestial bodies in space and we measure their distance in light year. the distance covered by a ray of light in a year or 365 days is called a year light . light travels at a speed of about 3 lakh kilometres per second . 

bag bang theory

what is big bang theory ?

The bong bang theory which states that the genesis of the universe was about 15 billion years ago with a single cosmic explosion or a big bang . 

big bang 

BIG BANG 

space

what is space ?
the sky in fact is part of the universe which is a vast limitless expance called space that includes billions of celestial bodies. we still do not have the correct estimate about the shape, size and origin of the universe .

space 

Heavenly Bodies

what is heavenly bodies ?
the sun ,the moon ,and stars ,etc are heavenly bodies or celestial bodies . 

heavenly bodies