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Religious materials suggest to some that the universe is about 6 thousand years old. The 15 billion year estimate comes from the backward extrapolation of movement of the outward moving galaxies. It is theorized that this outward movement most have started about 15 billion years ago, if currently understood distances and velocities are worked backwards.
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When did the universe begin to expand?
The universe began to expand around 13.8 billion years ago during an event known as the Big Bang. This expansion continues to this day, and is a fundamental component of the evolution of the universe as we know it.
How did the universe begin according to the best scientific theories?
The universe began approximately 13.7 billion years ago. The big bang theory describes how the universe was created, and began to expand rather rapidly.
The universe began about?
13-15 billion years ago through the big bang.
Why do astronomers believe the universe began with an explosion?
Astronomers believe the universe began with an explosion, known as the Big Bang, because of the observed expansion of the universe, the cosmic microwave background radiation, and the abundance of light elements like hydrogen and helium. These pieces of evidence support the idea that the universe started from an incredibly hot and dense state about 13.8 billion years ago.
What is the theory that states that the universe began with a tremendous explotion about 13.7 billion years ago?
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How does the big bang theory suggest the univeruse formend?
It doesn't. The Big Bang simply states that, about 13.7 billion years ago, the space that holds our Universe began to expand and has been doing so ever since. The evidence for this is pretty overwhelming. The questions, "WHY did space start to expand?" and "Why does space continue to expand?" are, at present, as unresolved as "Why is there lightning in the sky?"
How long after the Big Bang started did the sun evolve?
The Sun is about the same age as the Earth, ca. 4.6 billion years. The universe's age is estimated at 13.7 billion years. That means that the universe had existed about 9.1 billion years before the Sun began shining.
What theory is thought to explain the beginning of the universe?
The Big Bang theory is the prevailing explanation for the beginning of the universe. It posits that the universe began as a singularity around 13.8 billion years ago and has been expanding ever since. This theory is supported by evidence such as the cosmic microwave background radiation and the observed redshift of galaxies.
What is the cosmological model of how the universe began?
The most widely accepted cosmological model of the universe's beginning is the Big Bang theory. This theory posits that the universe began as a singularity around 13.8 billion years ago, expanding and evolving into the vast, complex cosmos we observe today.
What is the scientific view on how the world began?
The prevailing scientific view is that the universe began with the Big Bang approximately 13.8 billion years ago. This event marked the beginning of space, time, and all matter in the universe. The universe has been expanding and evolving ever since.
Why do scientists believe that the universe began with an explosion?
Scientists believe in the Big Bang theory because it is supported by evidence such as the cosmic microwave background radiation and the observed expansion of the universe. These observations suggest that the universe was once in a hot, dense state and has been expanding since its beginning.
What states that all matter and energy in the universe exploded ten to twenty billion years ago and began expanding in all directions.?
The theory that describes the origin of the universe as an explosion of all matter and energy is known as the Big Bang Theory. According to this theory, the universe began as a singularity and has been expanding ever since, roughly 13.8 billion years ago. This expansion continues today, leading to the vast and dynamic universe we observe.
