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
“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
“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
“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
“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
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
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
“Again and again across the centuries, cosmic discoveries have demoted our self-image. Earth was once assumed to be astronomically unique, until astronomers… — Neil deGrasse Tyson Copy Share Image
“In a trillion or so years, anyone alive in our own galaxy may know nothing of other galaxies. Our observable universe will… — 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
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