After recently becoming fascinated with astronomy, I thought I would expand on my original article – about the creation of atoms in the heart of dying stars – and make a mini blog series on astronomy. While it is my intention to write about all things space and physics that fascinate me, there is a LOT of ground to cover. It will therefore be a very brief and perhaps superficial look.
Continue reading ‘We are made of star stuff’ – #2 – The Big Bang
The fact that the elements that make up our bodies, our animals and our ‘apple trees’ were created in the interior furnaces of stars and then catapulted across the universe in violent stellar explosions was said with great poetic beauty by Carl Sagan in 1973. In his book: “The cosmic connection: an extraterrestrial perspective” he said:-
‘Our sun is a second- or third-generation star. All of the rocky and metallic material we stand on, the iron in our blood, the calcium in our teeth, the carbon in our genes were produced billions of years ago in the interior of a red giant star. We are made of star-stuff’
Continue reading ‘We are made of star stuff’ – Carl Sagan