A galaxy is composed of gas and dust and stars - billions upon billions of stars. Every star may be a sun… — Carl Sagan Copy Share Image
Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred… — Carl Sagan Copy Share Image
There are as many atoms in one molecule of DNA as there are stars in a typical galaxy. — Carl Sagan Copy Share Image
“There are some hundred billion (1011) galaxies, each with, on the average, a hundred billion stars.” — Carl Sagan Copy Share Image
A still more glorious dawn awaits / not a sunrise, but a galaxy-rise / a morning filled with 400 billion suns /… — Carl Sagan Copy Share Image
Every time you look up at the sky, every one of those points of light is a reminder that fusion power is… — Carl Sagan Copy Share Image
We are made of star stuff. For the most part, atoms heavier than hydrogen were created in the interiors of stars and… — Carl Sagan Copy Share Image
A general problem with much of Western theology in my view is that the god portrayed is too small. It is a… — Carl Sagan Copy Share Image
After the earth dies, some 5 billion years from now, after it's burned to a crisp, or even swallowed by the Sun,… — Carl Sagan Copy Share Image
A stars rich in europium; of distant galaxies analyzed through the collective light of a hundred billion constituent stars. Astronomical spectroscopy is… — Carl Sagan Copy Share Image
It's a lazy Saturday afternoon, there's a couple lying naked in bed reading Encyclopediea Brittannica to each other, and arguing about whether… — Carl Sagan Copy Share Image
The immense distances to the stars and the galaxies mean that we see everything ins pace int he past, some as they… — Carl Sagan Copy Share Image
The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were… — Carl Sagan Copy Share Image
We live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars… — Carl Sagan Copy Share Image
“The number of external galaxies beyond the Milky Way is at least in the thousands of millions and perhaps in the hundreds… — Carl Sagan Copy Share Image
I never said it. Honest. Oh, I said there are maybe 100 billion galaxies and 10 billion trillion stars. It's hard to… — Carl Sagan Copy Share Image
For all our conceits about being the center of the universe, we live in a routine planet of a humdrum star stuck… — Carl Sagan Copy Share Image
There are in fact 100 billion galaxies, each of which contain something like a 100 billion stars. Think of how many stars,… — Carl Sagan Copy Share Image
“Except for hydrogen, all the atoms that make each of us up—the iron in our blood, the calcium in our bones, the… — Carl Sagan Copy Share Image
The near side of a galaxy is tens of thousands of light-years closer to us than the far side; thus we see… — Carl Sagan Copy Share Image
All of the rocky and metallic material we stand on, the iron in our blood, the calcium in our teeth, the carbon… — Carl Sagan Copy Share Image
Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away… — Carl Sagan Copy Share Image
So those who wished for some central cosmic purpose for us, or at least our world, or at least our solar system,… — Carl Sagan Copy Share Image
“The Apollo pictures of the whole Earth conveyed to multitudes something well known to astronomers: On the scale of the worlds -… — Carl Sagan Copy Share Image
“Our Sun is a second- or third-generation star. All of the rocky and metallic material we stand on, the iron in our… — Carl Sagan Copy Share Image
It is sometimes said that scientists are unromantic, that their passion to figure out robs the world of beauty and mystery. But is it… — Carl Sagan Copy Share
The prediction of nuclear winter is drawn not, of course, from any direct experience with the consequences of global nuclear war, but rather from… — Carl Sagan Copy Share
The suppression of uncomfortable ideas may be common in religion or in politics, but it is not the path to knowledge; it has no… — Carl Sagan Copy Share
“Telepathy’ literally means to feel at a distance, just as ‘telephone’ is to hear at a distance and ‘television’ is to see at a… — Carl Sagan Copy Share
“On the scale of worlds—to say nothing of stars or galaxies—humans are inconsequential, a thin film of life on an obscure and solitary lump… — Carl Sagan Copy Share
Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies,… — Carl Sagan Copy Share
In our time, we have sifted the sands of Mars, we have established a presence there, we have fulfilled a century of dreams! — Carl Sagan Copy Share
“[ When a religious couple wrote to Sagan about fulfilled prophecies, he wrote back in May 1996 :] If ‘fulfilled prophecy’ is your criterion,… — Carl Sagan Copy Share
“Books permit us to voyage through time, to tap the wisdom of our ancestors. The library connects us with the insight and knowledge, painfully… — Carl Sagan Copy Share
We live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars that make… — Carl Sagan Copy Share
A tiny blue dot set in a sunbeam. Here it is. That's where we live. That's home. We humans are one species and this… — Carl Sagan Copy Share
Any sufficiently crisp question can be answered by a single binary digit-0 or 1, yes or no. — Carl Sagan Copy Share
Humans — who enslave, castrate, experiment on, and fillet other animals — have had an understandable penchant for pretending animals do not feel pain.… — Carl Sagan Copy Share
