![]() |
| ![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() is a dynamic, time-evolving, and spatially dependent form of energy with negative pressure sufficient to drive the accelerating expansion, ... Whereas the cosmological constant is a very specific form of energy — vacuum energy — quintessence encompasses a wide class of possibilities. |
![]() |
![]() |
![]() |
|