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Showing posts from July, 2018

Star birth

stars have been forming thoughout the Universe for most of its life.They taken shape in vast clouds where thousands of stars are born at a time. The clouds that give birth to the stars are cold and dense and consist mainly of hudrogen gas.The newly formed stars are huge spinning globes of hot , glowing gas mainly hydrogen , with helium and small amounts of other elements . much of this material is packed tightly into the stars cores,and it is here that nuclear reactions release energy in the form of heat and light.    1.Interstellar cloud stars are born within enomous,cloud,dense clouds of  gas and dust. The process of star formation   may be triggered if something distrubs the cloud,such as a collision with another cloud or a  shockwave from a supernova explosion. 2.Fragments form  Now unstable,the cloud breaks up into fragmants of different size and mass.the most massive and dense of these fragments are gredually pulled bu thier own gravity into tighter clumps.these

Roman Society

The city of Rome stood at the heart of the Roman Empire.For More than 55 years it was the most powerful city in the western world. Rome was in may way like a modern city . it had paved roads underground sewers , and even multistory apartment blocks,. food was imported from across the empire to feed the populace , and aqueducts brought in fresh water from the surrounding countryside. The rilers of Rome .emperors and powerful politicians,filled the streets with great monuments to domenstreted their power.the heart of the city was the forum ,an open space for publics meeting and xelebrations .Around it were built great arenas,temples,bath houses,theaters,markets and places,many of which are still standing thousands of year later.As the Empire grew,the city of Rome became richer and its population swelled.it is though the 1,200,000 people lived there at the empires height around 100CE,as many as in modern -day prague. Professional fighters The were more than 20types of gladiator,e