In chapter 3, the author talked about a lot of scientists who are famous for the invention and or discovery, But weren't actually the founders, just made the invention stronger or easier to use. The author talked about As,Ga,Ce,T,Yb,Er and Tb in a number of stories. One overall theme I noticed was that many scientists try and steal the recognition from other scientist a lot. Especially in this chapter! Overall, the seven elements were discovered in Ytterby, six were a Medeleev's (a chemist) missing lanthanides. It was interesting because this chapter talked a lot about the bottom half of the periodic table and classifying them and how they were discovered. In chapter 4, it dove into space and the theories of how our earth was formed along with the elements in the earths crust and Jupiter ect. Jupiter was really interesting because it could have easily just been a star, if it had sucked up ten times more detritus in its formation it would've been a brown dwarf now, that fascinated me. This chapter talked about many elements in space and the theories for why the dinosaurs went into extinction and the timing of the meteor. The chapter talked about Fe,Ne,Pb,Ir and Re. It covered all astrohistory! In both of these chapters, I found some things really interesting and a lot of it boring! Hopefully all of the next chapters don't make me fall asleep ;) have a great week everyone! :)
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