[RonF]

Ah, folks; every atom of every element with an atomic number greater than that of iron (₅₆Fe²⁶) is nova or supernova debris. The creation of any atom larger than iron consumes rather than releases energy, and is thus not created during normal stellar fusion.

[RadioAstronomer]

Ah, folks; every atom of every element with an atomic number greater than that of iron (₅₆Fe²⁶) is nova or supernova debris.

The curve of binding energy. :-)