“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
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
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
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
“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
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
“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
“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
“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
“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
“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
“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
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
“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
“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
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
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
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
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
“Mount Everest is about as tall as a mountain on Earth can grow before the lower rock layers succumb to their own… — Neil deGrasse Tyson Copy Share Image
We are in danger of destroying ourselves by our greed and stupidity. We cannot remain looking inwards at ourselves on a small… — Stephen Hawking Copy Share Image
At the fourth grade level, girls at the same percentages of boys say they're interested in careers in engineering or math or… — Chelsea Clinton Copy Share Image
I have no trouble publishing in Soviet astrophysical journals, but my work is unacceptable to the American astrophysical journals. — Hannes Alfven 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
“Snow cleaning of the world's largest telescope mirrors was an impressive sight. The optics technicians would climb into a huge telescopic boom… — Steven Magee Copy Share Image
I've had young women come to me and say that before they watched 'Voyager' it didn't really occur to them that they… — Kate Mulgrew Copy Share Image
I was there when Abbe Georges Lemaître first proposed this [Big Bang] theory. ... There is no rational reason to doubt that… — Hannes Alfven Copy Share Image
“Spheres are indeed fertile theoretical tools that help us gain insight into all manner of astrophysical problems. But one should not be… — Neil deGrasse Tyson Copy Share Image
Civilization just takes it as a given that the whole world was flooding. Then science came and you had geology and modern… — Neil deGrasse Tyson Copy Share Image
“So, whether the aliens explore with chemistry or with radio waves, they might come to the same conclusion: a planet where there’s… — Neil deGrasse Tyson Copy Share Image
“Newton's laws specifically state that, while the gravity of a planet gets weaker and weaker the farthest from it you travel, there… — Neil deGrasse Tyson Copy Share Image
“The gravitational waves of the first detection were generated by a collision of black holes in a galaxy 1.3 billion light-years away,… — Neil deGrasse Tyson Copy Share Image
![“I was there when Abbe Georges Lemaître first proposed this [Big Bang] theory. ... There is no rational reason to doubt that the universe has existed indefinitely, for an infinite time. … It is only myth that attempts to say how the universe came to be, either four thousand or twenty billion years…” quote by Hannes Alfven](https://sms4smile.com/quotes/img-quotes/006/hannes-alfven-29526_astrophysics_i-was-there-when-abbe-georges-lema-tre-f_3113329.jpg)
