Astronomy Quote by Neil deGrasse Tyson

“With only one proton in its nucleus, hydrogen is the lightest and simplest element, made entirely during the big bang. Out of the ninety-four…

— Neil deGrasse Tyson

“Using the standard model of elementary particles, we know how to follow the course of nuclear reactions in the standard "big bang" theory of…

— Steven Weinberg

“The primordial gases accounted for 98 percent of the material in the cloud from which our sun formed (hydrogen made up ca. 72 percent;…

— David Christian

The universe consists of 5% protons, 5% neutrons, 5% electrons and 85% morons.

— Frank Zappa

“All the elements other than hydrogen and helium make up just 0.04 percent of the universe. Seen from this perspective, the periodic system appears…

— Sam Kean

Some of the hydrogen in your body comes from the Big Bang, and when you see a kid walking down the street with a…

— Jocelyn Bell Burnell

The universe contains protons, neutrons, electrons and morons.

— Babloo

We are the representatives of the cosmos; we are an example of what hydrogen atoms can do, given 15 billion years of cosmic evolution.

— Carl Sagan

We, all of us, are what happens when a primordial mixture of hydrogen and helium evolves for so long that it begins to ask…

— Jill Tarter

“For the first billion years, the universe continued to expand and cool as matter gravitated into the massive concentrations we call galaxies. Nearly a…

— Neil deGrasse Tyson

The fact is that every atom that we're made of is part of that first explosion of a nuclear star billions of years ago.…

— Jeanette Winterson

All the stuff we've ever seen in the laboratory, all the kinds of particles and matter and energy, that only makes up 5 percent…

— Sean M. Carroll