There are as many atoms in each molecule of your DNA as there are stars in the typical galaxy. This is true… — Neil deGrasse Tyson Copy Share Image
That is a big question we all have: are we alone in the universe? And exoplanets confirm the suspicion that planets are… — Neil deGrasse Tyson Copy Share Image
To believe in a universe as young as 6 or 7,000 years old is to extinguish the light from most of the galaxy. — Neil deGrasse Tyson Copy Share Image
The iron from that meteorite and the iron from your blood have common origin in the core of a star. — Neil deGrasse Tyson Copy Share Image
Our galaxy, the Milky Way, is one of 50 or 100 billion other galaxies in the universe. And with every step, every… — Neil deGrasse Tyson Copy Share Image
I don't want to be the embarrassment of the galaxy to have had the power to deflect an asteroid, and then not… — Neil deGrasse Tyson Copy Share Image
Stars die and reborn […] They get so hot that the nuclei of the atoms fuse together deep within them to make… — Neil deGrasse Tyson Copy Share Image
“Those stars with more than about ten times the mass of the Sun achieve sufficient pressure and temperature in their cores to… — Neil deGrasse Tyson Copy Share Image
Philosophically, the universe has really never made things in ones. The Earth is special and everything else is different? No, we've got… — Neil deGrasse Tyson Copy Share Image
We can trace the elements. They were forged in the centers of high-mass stars that went unstable at the ends of their… — Neil deGrasse Tyson Copy Share Image
The universe for me was other planets and other star systems and other galaxies. I enjoyed tracking it, but it had no… — Neil deGrasse Tyson Copy Share Image
“But high-mass stars fortuitously explode, scattering their chemically enriched guts throughout the galaxy. After nine billion years of such enrichment, in an… — Neil deGrasse Tyson Copy Share Image
We only recently figured out the origin of our own moon. And we have some idea of how the Sun and Earth… — Neil deGrasse Tyson Copy Share Image
The atoms of our bodies are traceable to stars that manufactured them in their cores and exploded these enriched ingredients across our… — Neil deGrasse Tyson Copy Share Image
While the Copernican principle comes with no guarantees that it will forever guide us to cosmic truths, it's worked quite well so… — Neil deGrasse Tyson Copy Share Image
“For the first billion years, the universe continued to expand and cool as matter gravitated into the massive concentrations we call galaxies.… — Neil deGrasse Tyson Copy Share Image
“The stars of the Milky Way galaxy trace a big, flat circle. With a diameter-to-thickness ratio of one thousand to one, our… — Neil deGrasse Tyson Copy Share Image
Recognize that the very molecules that make up your body...are traceable to the crucibles that were once the centers of high mass… — Neil deGrasse Tyson Copy Share Image
Grab something off the shelf that's on the spaceship-an ashtray, it doesn't matter what. Because I can tell you, if they flew… — Neil deGrasse Tyson Copy Share Image
Once you've got the makings of a star, gravity draws leftover gas and dust into a giant swirling disk. The dust continues… — Neil deGrasse Tyson Copy Share Image
Asteroids have us in our sight. The dinosaurs didn't have a space program, so they're not here to talk about this problem.… — Neil deGrasse Tyson Copy Share Image
“In an undistinguished part of the universe (the outskirts of the Virgo Supercluster), in an undistinguished galaxy (the Milky Way), in an… — Neil deGrasse Tyson Copy Share Image
What scientists want next is a thorough comparison of what we and exosolar planets and vagabonds look like. Only in this way… — Neil deGrasse Tyson Copy Share Image
I don't want to go into space because of war. I think we would if it was triggered. If China said they want to… — Neil deGrasse Tyson Copy Share Image
Quantum physics fluctuates all the time. But now the fluctuations are not just particles coming into and out of existence, which happens all the… — Neil deGrasse Tyson Copy Share Image
In the movie, the stars above the ship bear no correspondence to any constellations in a real sky. Worse yet, while the heroine bobs...… — Neil deGrasse Tyson Copy Share Image
... informed ignorance provides the natural state of mind for research scientists at the ever-shifting frontiers of knowledge. People who believe themselves ignorant of… — Neil deGrasse Tyson Copy Share Image
If you seek only easy problems to solve, then ultimately, there'll be nothing about you to distinguish yourself from others. — Neil deGrasse Tyson Copy Share Image
The caricature of science is that we hold tight to the theories we have, and shun challenges to them. That's just not true. In… — Neil deGrasse Tyson Copy Share Image
New generations of humans inherit the acquired discoveries of generations past, allowing cosmic insight to accumulate without limit. Each discovery of science therefore adds… — Neil deGrasse Tyson Copy Share Image
I've said multiple times that the world's first trillionaire is going to be the person who exploits the resources of asteroids, the natural resources… — Neil deGrasse Tyson Copy Share Image
They [scientists of centuries past] call on God only from the lonely and precarious edge of incomprehension. Where they feel certain about their explanations,… — Neil deGrasse Tyson Copy Share Image
We explore our environment, more than we are compelled to utter poetry, when we're toddlers. We start doing that later. Before that happens, every… — Neil deGrasse Tyson Copy Share Image
You can't have people making decisions about the future of the world who are scientifically illiterate. That's a recipe for disaster. And I don't… — Neil deGrasse Tyson Copy Share Image
![“Stars die and reborn […] They get so hot that the nuclei of the atoms fuse together deep within them to make the oxygen we breathe, the carbon in our muscles, the calcium in our bones, the iron in our blood. All was cooked in the fiery hearts of long vanished stars. … The cosmos is also within us…” quote by Neil deGrasse Tyson](https://sms4smile.com/quotes/img-quotes/7c7/neil-degrasse-tyson-143_astronomy_stars-die-and-reborn-they-get-so-hot-tha_811740.jpg)
![“They [scientists of centuries past] call on God only from the lonely and precarious edge of incomprehension. Where they feel certain about their explanations, however, God gets hardly a mention.” quote by Neil deGrasse Tyson](https://sms4smile.com/quotes/img-quotes/0b0/neil-degrasse-tyson-143_century_they-scientists-of-centuries-past-call-o_12921.jpg)
