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Plutonium

Z: 94
Mass: 244
Lifeforce: Earth

Made by humans, named after a god of the underworld. And the same substance that fuels weapons is the fuel of space probes still drifting between the stars.

A terraced slope with laid stone foundations and visible roots; a figure sets a stone in place. — Plate · Earth Earth never hurries. It *holds*, stone by stone, whatever is meant to last.

Plutonium. Element ninety-four. Made by humans, named after a god of the underworld. The fuel of weapons, also of the long-distance space probes still drifting between stars.

Lab note · Element 94; made by humans, named after a god of the underworld.

Tool · Cosmic origin

Where your atoms come from

Pu · Lab

Synthesized by human hands in particle accelerators; does not occur stably in nature.

28 of the 118 elements share this origin.

Choose a stage: click, or arrow keys. · Cosmic nucleosynthesis · current standard model

Tool · Periodic table

Your place in the system

H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

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