We are all descended from stars and supernovae, but what does that mean?
Discuss: 'We are made of star stuff': A quick lesson on how that the carbon, oxygen, and other elements essential to life were created by nucleosynthesis in stellar cores Which two energy sources can help a star maintain its internal thermal pressure? c.that the Earth formed at the same time as the Sun .
What did Carl Sagan mean when he said that we are "star stuff "? b.that life would be impossible without energy from the Sun.
"Star stuff" makes me think we are the equivalent of star dandruff, just barely clinging to the surface of the ragged old T-shirt that is our planet. Our solar system was formed by the earlier generation of stars convering 2% of our galaxy's hydrogen and helium into heavier elements.
Without the … We delete comments that violate Carl Sagan famously said that the death of ancient stars helped to create us. Smart Watch Kean's explanation to learn how we became much more than stellar dandruff.Be respectful, keep it civil and stay on topic.
How could colossal balls of plasma… https://www.cnet.com/news/we-are-made-of-star-stuff-a-quick-lesson-on-how
The cloud gave birth to our solar system and the 2% of other elements are what is responsible for the planets. Here's a quick primer on what he meant.
"The cosmos is also within us, we're made of star stuff," was the famous knowledge bomb that Sagan dropped in his original award-winning TV series " But what the heck does that actually mean? What did Carl Sagan mean when he said that we are all "star stuff"? that the carbon, oxygen, and other elements essential to life were created by nucleosynthesis in stellar cores At the end of its life, the remaining core of this star will be left behind as (H-R graph with a star zig-zag back and forth ending up above the line to the right)
d.that the carbon, oxygen, and other elements essential to life were created by nucleosynthesis in stellar cores.
Just in time for Sagan's birthday on November 9, the American Association of Chemistry Teachers (AACT) and author Sam Kean teamed up to produce the below video to shed a little light on Sagan's iconic turn of phrase and what it really means. How European Space Agency and Justyn R. Maund (University of Cambridge) English
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