Posts

What is Solar System ?

Image
                                                                OUR SOLAR SYSTEM   Solar Syste m :-                                                                                        The Solar System is a collection of celestial objects that orbit around the Sun. It  Sun, eight planets, dwarf planets, and numerous other objects such as asteroids, comets, and meteoroids. The Solar System was formed around 4.6 billion years ago from a cloud of gas and dust, known as the solar nebula. The Sun is the center of the Solar System and by far its largest component. It makes up about 99.86% of the total mass ...

What is galaxy?

Image
 • Galaxy: -                        A galaxy is a group of many stars, with gas, dust, and dark matter. The Name 'Galaxy' is Taken from the Greek Word (Galaxia) Meaning Milky,  Reference to Our Own Galaxy (The Milky Way) which appear in the sky at night.      Now talk about its Hindi meaning. Galaxy (Galaxy) is called ' (आकाशगंगा )' in Hindi.         • Types of Galaxy :-        The centre of most galaxy is spherical most of the  part full of stars, called the 'nucleus', and this nucleus is surrounded by a planar circular disc around itself.             Astronomers divide galaxies into three main categories on the basis of their shape –  1-Spiral galaxy,               2-Eliptical galaxy and      3-Irregular galaxy.          The 'sp...

What is Universe?

Image
             What is Universe ?   Universe  :-.                                                                     The (Universe) word is come from the latin word ( Universus ).        Universe including galaxies, stars, planet, and all the other form of Energy and Matter,etc.      The Universe is consist up of three types of substance:          1- Normal Matter           2- Dark Matter           3- Dark Energy  Normal Matter consist of atom that make up Galaxies, stars, planet, etc..                                               ...