OMG sciencefromFuturism2 days agoPhysicists Have a Major Problem With the UniverseThe Hubble constant remains a significant challenge in modern astronomy, with recent measurements highlighting ongoing discrepancies in its value.
SciencefromBig Think4 months agoGravitational lensing is amazing, but won't solve the Hubble tensionTwo independent measurement methods produce conflicting expansion rates (67 vs 73 km/s/Mpc), creating the Hubble tension that lensing methods alone cannot resolve.
SciencefromBig Think6 months agoAsk Ethan: Is the Hubble tension the same thing as dark energy?Dark energy and the Hubble tension both stem from observations indicating the Universe's expansion has accelerated in recent cosmic history.
Sciencefromwww.scientificamerican.com6 months agoWarp Speed! How Some Galaxies Can Move Away from Us Faster Than LightNothing can move faster than light through space, but cosmic expansion can make distant galaxies recede from us faster than light.