“During the quark–lepton era the universe was dense enough for the average separation between unattached quarks to rival the separation between attached… — Neil deGrasse Tyson Copy Share Image
The remarkable feature of physical laws is that they apply everywhere, whether or not you choose to believe in them. After the… — Neil deGrasse Tyson Copy Share Image
“When Newton breached this philosophical barrier by rendering all motion comprehensible and predictable, some theologians criticized him for leaving nothing for the… — Neil deGrasse Tyson Copy Share Image
The unleashed power of the atom has changed everything save our modes of thinking and we thus drift toward unparalleled catastrophe. — Albert Einstein Copy Share Image
“This fits in with what I saw in staff in astronomical facilities and was reporting to the management team: 10-14% Oxygen: Emotional… — Steven Magee Copy Share Image
“These early, single-celled organisms unwittingly transformed Earth’s carbon dioxide-rich atmosphere into one with sufficient oxygen to allow aerobic organisms to emerge and… — Neil deGrasse Tyson Copy Share Image
I look up at the night sky, and I know that, yes, we are part of this Universe, we are in this… — Neil deGrasse Tyson Copy Share Image
“A modern example of this stunning knowledge of nature that Einstein has gifted us, comes from 2016, when gravitational waves were discovered… — Neil deGrasse Tyson Copy Share Image
I gained a first class degree in Physics at Imperial College London in 1968 and did research in solid state physics, but… — Piers Corbyn Copy Share Image
How then did we come to the "standard model"? And how has it supplanted other theories, like the steady state model? It… — Steven Weinberg Copy Share Image
We in astrophysics we think of the universe all the time. So to us, Earth is just another planet. From a distance,… — Neil deGrasse Tyson Copy Share Image
I have always believed that astrophysics should be the extrapolation of laboratory physics, that we must begin from the present universe and… — Hannes Alfven Copy Share Image
“The toxicity of medical and industrial gas to the human depends on where it is used. A gas that is regarded as… — Steven Magee Copy Share Image
“At the W.M. Keck Observatory on the very high altitude summit of Mauna Kea, there was no routine monitoring of mental functioning,… — Steven Magee Copy Share Image
“My memories of my time in high altitude astronomy indicate that there were no oxygen concentration monitors or alarms in the areas… — Steven Magee Copy Share Image
“Earth has also tidally locked the Moon, leaving it with identical periods of rotation on its axis and revolution around Earth. Wherever… — Neil deGrasse Tyson Copy Share Image
“For reasons I have yet to understand, many people don’t like chemicals, which might explain the perennial movement to rid foods of… — Neil deGrasse Tyson Copy Share Image
I've been a big astrophysics nut since I was 12. I have always had a real soft spot for the bizarreness of… — Kate McKinnon Copy Share Image
“When discharging industrial gas into the indoor environment in high altitude astronomy, we never wore breathing respirators that fed us oxygenated air… — Steven Magee Copy Share Image
“These same oxygen atoms, normally found in pairs (O2), also combined in threes to form ozone (O3) in the upper atmosphere, which… — Neil deGrasse Tyson Copy Share Image
Some people seek meaning in life through personal gain, through personal relationship, or through personal experiences. However, it seems to me that… — Michio Kaku Copy Share Image
Hoyle's enduring insights into stars, nucleosynthesis, and the large-scale universe rank among the greatest achievements of 20th-century astrophysics. Moreover, his theories were… — Fred Hoyle Copy Share Image
What counts is not what sounds plausible, not what we would like to believe, not what one or two witnesses claim, but… — Carl Sagan Copy Share Image
The most accessible field in science, from the point of view of language, is astrophysics. What do you call spots on the… — Neil deGrasse Tyson Copy Share Image
Scientists willing to risk their reputations on higher dimensions soon found themselves ridiculed by the scientific community. Higher-dimensional space became the last… — Michio Kaku Copy Share Image
“Had Earth been much closer to the Sun, the oceans would have evaporated. Had Earth been much farther away, the oceans would… — Neil deGrasse Tyson Copy Share Image
Mathematics is not something that you find lying around in your back yard. It's produced by the human mind. Yet if we… — Paul Davies Copy Share Image
General relativity is the cornerstone of cosmology and astrophysics. It has also provided the conceptual basis for string theory and other attempts… — Paul Davies Copy Share Image
The optimization of cosmic darkness and of Earth's location within the dark universe that sacrifices neither the material needs of human beings… — Anonymous Copy Share Image
“Filling out the entire electromagnetic spectrum, in order of low-energy and low-frequency to high-energy and high-frequency, we have: radio waves, micro waves,… — Neil deGrasse Tyson Copy Share Image
“Industrial liquid gas containers were left open and venting gas into the indoor environment in high altitude astronomy. On reflection, I realized… — Steven Magee Copy Share Image
“When I worked in astronomy, I routinely observed young college and university students working with liquid nitrogen and breathing nitrogen gas as… — Steven Magee Copy Share Image
“These philosophically fun ideas usually satisfy nobody. Nonetheless, they remind us that ignorance is the natural state of mind for a research… — Neil deGrasse Tyson Copy Share Image
“Shortly before, during, and after the strong and electroweak forces parted company, the universe was a seething soup of quarks, leptons, and… — Neil deGrasse Tyson Copy Share Image
