Binary Star Hypothesis. Origin of the Earth - The Solar Nebula Hypothesis About 4.6 billion years ago our solar system formed from a cloud of gas and dust which slowly contracted under the mutual gravity of all of its particles. The most prominent scientific theory about the origin of the Earth involves a spinning cloud of dust called a solar nebula. According to this theory, the universe originated in an enormous … Life on Earth began more than 3 billion years ago, evolving from the most basic of microbes into a dazzling array of complexity over time. But how did … The cloud was made largely of hydrogen (H) with some helium (He) and small amounts of the remaining naturally occurring chemical elements. The Origin of the Universe, Earth, and Life The term "evolution" usually refers to the biological evolution of living things.
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This nebula is a product of the Big Bang.
Some people believe that it came into existence by a big bang.
While religions have relied on creation stories to explain how life on Earth began, scientists have tried to hypothesize possible ways that inorganic molecules (the building blocks of life) joined together to form living cells.There are several hypotheses about how life started on Earth that are still being studied today. Philosophers, religious scholars and scientists have lots of ideas about where the universe came from, but the most widely-held scientific theory is the Big Bang Theory. Creation, and Biblical are the two most acknowledged theories of the origin of the earth.
But the processes by which planets, stars, galaxies, and the universe form and change over time are also types of "evolution."
Scientific Theories of the Origin of the Earth Nebular Hypothesis. There are many different answers for this. Planetesimal Hypothesis.