How Was the Solar System Built?
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Question by @monafarhanchannel — thank you!
The solar system did not come straight from the Big Bang. It formed about 4.6 billion years ago, when a spinning cloud of gas and dust collapsed under its own gravity, possibly pushed by the shock wave of a nearby exploding star. The middle became the Sun, which took more than 99 percent of all the material, while the leftover dust clumped into rocks, planets, moons, asteroids and comets. The heavier elements in that dust were made inside earlier generations of stars.
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Transcript
- Sef Mona Farhan Channel asks: How was the solar system built?
- Sef Easy! The Big Bang made it in one boom!
- Tiggy Nope. It came from a spinning cloud of gas and dust.
- Tiggy Gravity squeezed the middle into the Sun.
- Tiggy Leftovers clumped into rocks, then planets.
- Tiggy The Sun kept almost everything.
- Tiggy That dust came from old exploded stars.
- Sef So my ball is star stuff!
Sources
- NASA Space Place: How Did the Solar System Form? spaceplace.nasa.gov
- Wikipedia: Formation and Evolution of the Solar System en.wikipedia.org
- Scientific American: Did a Supernova Trigger the Solar System's Birth? scientificamerican.com
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