Analysis
Neil deGrasse Tyson's statement refers to the process of stellar nucleosynthesis, where elements heavier than hydrogen and helium are created in stars. These elements, such as carbon, oxygen, and iron, are essential components of the human body. The phrase poetically encapsulates the idea that we are, literally, made of star stuff.
Background
Stellar nucleosynthesis is a well-established theory in astrophysics, first proposed by scientists like Fred Hoyle and Margaret Burbidge in the mid-20th century. It explains how stars produce chemical elements through nuclear fusion and other processes, which are then dispersed into space via supernovae or stellar winds.
Verdict summary
The statement accurately reflects the scientific fact that the elements in our bodies were forged in stars.