COSMOSPACE

               Solar System is Sun at the center and all the objects orbiting around it. Sun is orbited by planets , asteroids , comets and other things. Our Solar System is 4.6 billion years old. All of the celestial objects in the Solar Systems are bound by Gravitational force.                                                                                 Our Solar System consists on 8 planets : Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,Neptune and a dwarf planet called Pluto which if often considered a planet by many.   There is a Asteroid belt between Mars and Jupiter where as after Neptune called as Kuiper Belt.                                 ...

The word Astronomy suggests study of everything that originates outside Earths atmosphere that is planets , moons , stars , galaxies , nebulae etc. It uses mathematics , physics , chemistry to study those celestial objects. ANDROMEDA GALAXY Astronomy is one of the oldest natural sciences.It was studied by many civilizations like Greeks , Maya , Egyptians , Chinese. Nowadays professional astronomy is also called as Astrophysics. Professional Astronomy is split into Observational Astronomy and theoretical Astronomy. Observational  Astronomy uses Telescopes and cameras to observe or look at stars , galaxies , nebulae and gather data from them. theoretical Astronomy is use of physics and chemistry to describe astronomical object or astronomical phenomena