Last Updated: May 14, 2026
Lambda vs Quintessence: Constant or Slow-Moving Field?
A cosmological constant is mathematically tidy; rolling scalar fields (quintessence) add dynamics—observations still flirt equally with boring and spicy.
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Last Updated: March 17, 2026
Dark Energy: When the Universe Hit the Gas Pedal Late
High-z supernovae hinted expansion speeding up—Lambda-like dark energy fits data while grinning evasively about fundamental origin.
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Last Updated: October 25, 2023
The Far Future: Heat Death, Rip, or Plot Twist?
If w stays −1, expansion dilutes contents toward chilly quiet; phantom energy ideas flirt with gnarlier fates—cosmology keeps long-term scheduling tentative.
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Last Updated: June 1, 2022
DESI, DES, Boss, and Friends: Tensions as Honest Glitches
Galaxy surveys, weak lensing maps, and supernova calibrations cross-check w(z)—discrepancies spark euphoria and dread in healthy ratios.
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