#observational-cosmology

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#cosmic-microwave-background #early-universe #astrophysics #south-pole-observatory #universe-geometry
Science
fromFuncheap
15 hours ago

Free Talk: Exploring the Universe from Antarctica (Randall Museum)

Dr. Clara Verges conducts research on Cosmic Microwave Background polarization experiments at the South Pole Observatory to understand early-Universe physics.
Philosophy
fromBig Think
4 weeks ago

Einstein showed space can curve, but data reveals a flat Universe

The Universe has a flat spatial geometry, confirmed through cosmic microwave background observations, rather than the curved or spherical shape many physicists theoretically preferred.
Science
fromBig Think
2 months ago

Ask Ethan: Can we see the expanding Universe changing?

Cosmic expansion stretches photon wavelengths and alters observability, producing extremely small real-time effects detectable only via precise, long-term redshift drift measurements.
Science
fromBig Think
6 months ago

Cosmic inflation's biggest criticisms can't undermine its success

Cosmic inflation explains early-Universe puzzles and matches observations to date, but faces conceptual challenges: the measure problem and claims of excessive flexibility.
Science
fromBig Think
7 months ago

Ask Ethan: Is dark energy no longer a cosmological constant?

Observational evidence hints dark energy may change over time, but current data remain inconclusive and many experts still favor a constant cosmological-constant interpretation.
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