“There’s as many atoms in a single molecule of your DNA as there are stars in the typical galaxy. We are, each of us, a little universe.”

— Neil deGrasse Tyson

Source: Cosmos

Last update June 3, 2021. History

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Neil deGrasse Tyson 89

American astrophysicist and science communicator 1958

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“A diatomic molecule is a molecule with one atom too many.”

Arthur Leonard Schawlow (1921–1999) American physicist

as quoted in [Dave DeMille, Diatomic molecules, a window onto fundamental physics, Physics Today, 2015, December, 34, 68, 12, 10.1063/PT.3.3020]

“Did you know that the biggest—you know, the biggest star in the univer—in the whole galaxy/universe is as big as an atom is small? Did you know that? Isn't that wild? That's more pothead philosophy.”

Krist Novoselic (1965) Croatian-American rock musician

Video interview https://www.youtube.com/watch?v=tWU2aljeMqE, 1991

“Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.”

Carl Sagan book Cosmos

Source: Cosmos (1980), p. 193
Context: For as long as there been humans we have searched for our place in the cosmos. Where are we? Who are we? We find that we live on an insignificant planet of a hum-drum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people. This perspective is a courageous continuation of our penchant for constructing and testing mental models of the skies; the Sun as a red-hot stone, the stars as a celestial flame, the Galaxy as the backbone of night.

“In so far as we are individuals, each of us is a fragment of a species, a part of this universe, a single dot in the immense network of forces and influences, cosmic, ethnic, historic, whose laws we obey. We are subject to the determination of the physical world. But each man is also a person, he is not subject to the stars and atoms; for he subsists entirely with the very subsistence of his spiritual soul, and the latter is in him a principle of creative unity, of independence and of freedom.”

Jacques Maritain (1882–1973) French philosopher

Scholasticism and Politics (1940)

“A person's lifeworm is a tangle of atomic worldlines. A braid. The dotty little atoms trace out smooth lines in spacetime: you are the pattern that these lines make up. there is no one single atom that is exclusively yours. I breathe an atom out, you breathe it in. Your garbage helps my tomatoes grow. And so the little spacetime threads weave us all together. The human race is a single vast tapestry, linked by our shared food and air. There are larger links as well: sperm, egg and umblilicus. Each family tree is an organic whole. Your spacetime body tapers back to the threads of mother's egg and father's sperm. And children, if you have them, are forever rooted in your flesh.”

Rudy Rucker (1946) American mathematician, computer scientist, science fiction author and philosopher

Source: The Sex Sphere (1983), p. 108

“We are all connected; To each other, biologically. To the earth, chemically. To the rest of the universe atomically.”

Neil deGrasse Tyson (1958) American astrophysicist and science communicator

“I stand at the seashore, alone, and start to think.
There are the rushing waves
mountains of molecules
each stupidly minding its own business
trillions apart
yet forming white surf in unison.Ages on ages
before any eyes could see
year after year
thunderously pounding the shore as now.
For whom, for what?
On a dead planet
with no life to entertain.Never at rest
tortured by energy
wasted prodigiously by the sun
poured into space.
A mite makes the sea roar. Deep in the sea
all molecules repeat
the patterns of one another
till complex new ones are formed.
They make others like themselves
and a new dance starts.Growing in size and complexity
living things
masses of atoms
DNA, protein
dancing a pattern ever more intricate.Out of the cradle
onto dry land
here it is
standing:
atoms with consciousness;
matter with curiosity.Stands at the sea,
wonders at wondering: I
a universe of atoms
an atom in the universe.”

Richard Feynman (1918–1988) American theoretical physicist

The Value of Science (1955)

“For as long as there been humans we have searched for our place in the cosmos. Where are we? Who are we? We find that we live on an insignificant planet of a hum-drum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people. This perspective is a courageous continuation of our penchant for constructing and testing mental models of the skies; the Sun as a red-hot stone, the stars as a celestial flame, the Galaxy as the backbone of night.”

Carl Sagan book Cosmos

Source: Cosmos (1980), p. 193

“we never experiment with just one electron or atom or (small) molecule. In thought-experiments we sometimes assume that we do.”

Erwin Schrödinger (1887–1961) Austrian physicist

ARE THERE QUANTUM JUMPS ? PART II(1952)

“The definite mass ratios involved in reactions suggested a convenient method for counting the number of atoms of each element participating in the reaction. These results, summarized as the laws of chemical combination, provided overwhelming, if indirect, evidence for the existence of atoms and molecules.”

David W. Oxtoby (1951) President of Pomona college

Principles of Modern Chemistry (7th ed., 2012), Ch. 1 : The Atom in Modern Chemistry

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