Dark Quote by Neil deGrasse Tyson
“Most gravity has no known origin. Is it some exotic particle? Nobody knows. Is dark energy responsible for expansion of the universe? Nobody knows.”
About This Quote
Source Interview: Cosmos: A Spacetime Odyssey, Episode 2, 2014
The nature and origin of gravity and dark energy remain unresolved mysteries in physics.
In simple terms: We don’t know where gravity comes from or what drives cosmic expansion.
Key Takeaway
Accept uncertainty and keep questioning.
Themes
science
cosmology
uncertainty
Mood
curious
inquisitive
Type
scientific
exploratory
When to use this quote
- research labs
- academic lectures
- public outreach
- policy discussions
Key Concepts
gravity
dark energy
fundamental forces
Questions to Reflect On
- What experiments could reveal gravity’s origin?
- How might dark energy be measured directly?
A Different Perspective
Current theories lack experimental confirmation; alternative models exist.
![“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)
