ABUNDANCES OF ELEMENTS

WE FIND SIMILAR RELATIVE AMOUNTS OF THE DIFFERENT ELEMENTS BY COMPARING

- ELEMENTS IN THE SUN FROM ITS LIGHT

(SPECTROSCOPY)

- ELEMENTS IN METEORITES THAT IMPACT ON EARTH

- ELEMENTS IN THE EARTH

 

 

THUS THE SUN, EARTH, AND PLANETS FORMED (CONDENSED) FROM THE SOLAR NEBULA - THE ORIGINAL MATERIAL OF THE SOLAR SYSTEM

(Press & Siever)