There are also facts regarding the extinction of dinosaurs. These facts provide concepts on how dinosaurs became extinct in our planet 65 million year ago. Amongst other theories, the theory about a comet that hit the Earth and created massive mayhem such as clouds of smoke that lasted for months and deprivation of vegetation among others, is the one most believed by scientists. Up to now, paleontologists and archeologists study the fossils and remains of dinosaurs they found in order to shed light to the theories that pertain to their extinction centuries ago.

Some extinction theories are said to be primarily caused by environmental factors, multiple collision and asteroid collisions. Another theory about the extinction of dinosaurs is due to a massive volcanic explosion of the Earth’s super volcanoes. It tells us that the super explosion overcame the Earth by means of sulfur dioxide and the blanketing of the surface of the Earth.

Facts about the bones of dinosaurs are compiled and written in books by specialists that specialize in dinosaur bones. Numerous facts about bones of dinosaurs can also be found in museums. Archeologists study any dinosaur bone gathered from various parts of the word in order to know more about their kind and lifestyle. Due to the presence of fossils, the kinds of dinosaurs where revealed and man can now say that dinosaurs really existed sometime in the past even before the birth of mankind.

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