Recent discoveries from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy, which composes about 70% of the universe, has changed over time, contrary to previous assumptions. This finding could greatly shift our understanding of cosmology, indicating that the expansion of the universe accelerated earlier than previously thought and may be weakening now. As a result, this challenges the notion of a static cosmological constant proposed by Einstein and could lead to a reevaluation of cosmic evolution and future trajectories.
Mustapha Ishak-Boushaki, a cosmologist at the University of Texas and DESI team member, noted that the new findings could lead to a paradigm shift in our understanding of dark energy.
The recent observations from DESI reveal that the acceleration of the universe's expansion may have started sooner and peaked earlier than previously thought.
DESI's findings challenge the previous assumption of dark energy as a constant presence, suggesting it has varied over time, impacting both the universe's evolution and fate.
These discoveries contribute to a new perspective on physics and cosmology, moving away from Einstein's revised cosmological constant toward a more dynamic understanding of dark energy.
Collection
[
|
...
]