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View Full Version : We are all made of stars: half our bodies' atoms 'formed beyond the Milky Way



paoloferrari
07-27-2017, 12:34 PM
We are all made of stars: half our bodies' atoms 'formed beyond the Milky Way

https://www.theguardian.com/science/2017/jul/27/we-are-all-made-of-stars-half-our-bodies-atoms-formed-beyond-the-milky-way

"Simulations reveal that up to half the material in our galaxy arrived from smaller galactic neighbours, as a result of powerful supernova explosions "

"Nearly half of the atoms that make up our bodies may have formed beyond the Milky Way and travelled to the solar system on intergalactic winds driven by giant exploding stars, astronomers claim."

"In some sense we are extragalactic visitors or immigrants in what we think of as our galaxy.”

"“The surprising thing is that galactic winds contribute significantly more material than we thought,”