Astrophysics for People in a Hurry (Astrophysics for People in a Hurry Series)

by Neil deGrasse Tyson

In our own solar system, for example, everything that is not the Sun adds up to less than one fifth of one percent of the Sun’s mass.

Only three of the naturally occurring elements were manufactured in the big bang.

Out of the ninety-four naturally occurring elements, hydrogen lays claim to more than two-thirds of all the atoms in the human body, and more than ninety percent of all atoms in the cosmos, on all scales, right on down to the solar system.