* Astronomy

Abundances for selenium in a number of different environments. Use the links in the location column for definitions, literature sources, and visual representations in many different styles (one of which is shown below)

Location	ppb by weight	ppb by atoms
Universe	30	0.5
Sun	no data	no data
Meteorite (carbonaceous)	13000	2900
Crustal rocks	50	10
Sea water	0.45	0.035
Stream	0.2	0.003
Human	50	4

Source