average weight of human
6.2E1
sun
2E30
earth
6E24
Jupiter
2E27
Moon
7E22
human cell
1E-12
african elephant
6E3
blue whale
1E5
cow
6E2
chicken
3
car
1E3
sheet of paper
5E-3
density gold
2E4 kg/m^3
density silver
1E4 kg/m^3
density copper
9E3 kg/m^3
brain mass
1.3E0 kg
atoms in kg of biological tissue
1E26