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Between 10 and 15 billion years ago, scientists believe, the universe began suddenly in an event called the big bang. Under conditions of extreme heat, all the matter and energy that make up the universe spread out to create space.
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The Big Bang is the main theory that explains the origins of the universe – how everything was made, including the stars, the planets, and everything that lives on those planets, like us! It’s widely believed by most astronomers, as it came about through scientific understanding of physics and chemistry. Even though it’s a bit of a silly name for s...
It is believed by most astronomers that the universe started as an extremely hot, dense, bubble-like space. It consisted of light and energy, too small to be seen by the human eye – not that we existed back then. The heat and pressure from all of these particles squeezing against each other resulted in the Big Bang. This happened nearly 14 billion ...
10 billion years after the Big Bang, our solar system and the Sunformed. That includes the planets and their moons. It didn’t all happen at once. The Earth began with rocks whizzing through space and smashing into each other. Eventually, some rocks merged together into one bigger rock that we now call home. Back then, it didn’t have oceans, or plan...
If you had to pick one scientist who created the idea, it would have to be Georges Lemaître, a Belgian priest, mathematician, and astronomer. In 1927, he first had the idea that the universe began as a single point – like the pinhead mentioned earlier – and then stretched and expanded into what we know now. Lemaître was 33 at the time and working a...
The study of the universe, including its creation and its development, is called cosmology.We used the term ‘nearly 14 billion years old’ earlier, but that’s not accurate enough for scientists! It is believed by astronomers that the universe is 13.8 billion years old.In 2012, the Wilkinson Microwave Anisotropy Probe (WMAPfor short) was launched to determine how old the universe was by measuring thermal radiation left over from the Big Bang.Even though Lemaître came up with the idea in 1927, the theory of the Big Bang really only began to take root in the 1940s. It caused a lot of debate between astronomers who couldn’t decide if it w...With any luck, the information you've learned from reading this far will have given you a good knowledge of the Big Bang! Armed with this newfound expertise, your learners will be able to go out and investigate the universe and how it began.
Our Big Bang Theory lesson plan explores the basics about this idea of how the earth and universe came to exist. Download the free PDF today!
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Jun 20, 2014 · The mystery of the dark Universe. Cosmic distances. Most astronomers believe the Universe began in a Big Bang about 14 billion years ago. At that time, the entire Universe was inside a bubble that was thousands of times smaller than a pinhead. It was hotter and denser than anything we can imagine.
Theory about Big Bang Explosion. While its hard to understand how and why the Big Bang happened, scientists pretty much know what has been happening ever since the Big Bang happened. They know this through many experiments, and put all of their information together to get the best answers.
Much of the current work in cosmology includes understanding how galaxies form in the context of the Big Bang, understanding what happened in the earliest times after the Big Bang, and reconciling observations with the basic theory.
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The Big Bang Theory, or Big Bang for short, is a scientific model describing how the entire universe began with a giant blast of energy, which occurred about 14 billion years ago....
