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    BIG BANG : Formation of the Universe  
The Big Bang theory is the prevailing cosmological model for the earliest known periods of the universe and its subsequent large-scale evolution. It states that the Universe was in a very high density state and then expanded. If the known l...
 
    Earth, 3rd Planet from the Sun  
Earth is the third planet from the Sun. It is the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets. It is sometimes referred to as the world or the Blu...
 
    FORMATION OF EARTH  
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets. It is sometimes referred to as the world, the Blue Pl...
 
    The Nine Planets  
The Nine Planets is an overview of the history, mythology, and current scientific knowledge of each planet and the major moons in our solar system. Each page has my text and NASA's images, some have sounds and movies, most provide reference...
 
    Saturn, 6th Planet from the Sun  
Saturn is the sixth planet from the Sun and the second largest. In Roman mythology, Saturn is the god of agriculture. The associated Greek god, Cronus, was the son of Uranus and Gaia and the father of Zeus (Jupiter). Saturn is the root...
 
    Uranus, 7th Planet from the Sun  
Uranus is the 7th planet from the Sun. It was discovered in 1781 by William Herschel and named for the Greek god personifying heaven. A blue-green gas giant, it has almost 15 times the mass of Earth and over 50 times its volume. It is less...
 
    Neptune, 8th Planet from the Sun  
Neptune is the eighth planet from the Sun and the fourth largest (by diameter). Neptune is smaller in diameter but larger in mass than Uranus. In Roman mythology Neptune (Greek: Poseidon) was the god of the Sea. After the discovery o...
 
    The Sun, Center of our Solar System  
The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, with internal convective motion that generates a magnetic field via a dynamo process. It is by far the most important source of energy for l...
 
    Mars, 4th Planet from the Sun  
Mars is the fourth planet from the Sun and the second smallest planet in the Solar System, after Mercury. Named after the Roman god of war, it is often described as the "Red Planet" because the iron oxide prevalent on its surface gives it a...
 
    CAMBRIAN : Explosion of Life on Earth  
The Cambrian is the first geological period of the Paleozoic Era, lasting from 541 to 485 million years ago (mya) and is succeeded by the Ordovician. Its subdivisions, and indeed its base, are somewhat in flux. The period was established by...
 
    Pangaea, Supercontinent  
Pangaea or Pangea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. It formed approximately 300 million years ago and then began to break apart after about 100 million years. Unlike the present Earth, much...
 
    PERMIAN : Largest Mass Extinction  
The Permian is a geologic period and system which extends from 299 to 252 million years ago. It is the last period of the Paleozoic Era, following the Carboniferous Period and preceding the Triassic Period of the Mesozoic Era. The concept o...
 
    MESOZOIC : Age of Dinosaurs  
The Mesozoic era is an interval of geological time from about 252 to 66 million years ago. It is also called the age of reptiles, a phrase introduced by the 19th century paleontologist Gideon Mantell who viewed it as dominated by reptiles s...
 
    CENOZOIC : Age of Mammals  
The Cenozoic Era, meaning "new life", is the current and most recent of the three Phanerozoic geological eras, following the Mesozoic Era and covering the period from 66 million years ago to the present. The Cenozoic is also known as the...
 
    STONE AGE : The Human Era  
The first species of the genus Homo, evolved in South and East Africa in the late Pliocene or early Pleistocene (2 - 2.5 million years before present) when it diverged from the Australopithecines (Australopithecines and Hominenes are collec...
 
       
 
         
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