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The Univerce is born. The Big Bang theory is the prevailing cosmological model that describes the early development of the Universe
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The Milky Way is the galaxy that contains our Solar System. it is called milky way because of the latin word (galaxías kýklos, "milky circle")
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A star is a massive, luminous sphere of plasma held together by its own gravity. A star shines due to thermonuclear fusion of hydrogen into helium in its core
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The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields
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It formed 4.6 billion years ago from the gravitational collapse of a giant molecular cloud.
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Earth formed around 4.54 billion years ago by accretion from the solar nebula.
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Approximately 72% of the planet's surface is covered by saline water. the ocean contains 97% of the Earth's water
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A prehistoric period of human history distinguished by the development of the most primitive stone tools.
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Homo Erectus ( upright man ) is an extinct species of hominin that lived throughout most of the Pleistocene.
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Egypt’s most prosperous time and marked the peak of its power. The Eighteenth, Nineteenth, and Twentieth Dynasties of Egypt.
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Egyptian pharaoh of the 18th dynasty during the period of Egyptian history known as the New Kingdom. He is popularly referred to as King Tut.
