SPACE SERIES-5

 NEUTRON STARS :

                              Neutron stars are very dense stars composed of neutrons .Neutron stars are the end point stars ,which are four to eight times as massive as the sun. When they finish their nuclear fuel they undergo a supernova explosion .This explosion blows off the outer layers of the star and central gravity collapses under gravity.

NEBULA :

             Nebula is a clod of dust particles and gases in space. Nebulae are among the most beautiful objects in the universe. A nebula composed of 90% hydrogen , 10 % helium , 0.1 % heavy elements. 

Nebulae are divided into Emission nebula , Dark nebula , Planetary nebula , Super nova remnants.

 

 

NOTIFICATION !!!!!

Tomorrow two blogs will be posted 

 

                                                       - TO BE CONTINUED