Tootfinder

The Hubble space telescope turned 36 recently, and requested Earth send up some ibuprofen and a foot massager.
#space #Hubble #astronomy

The #Hubble #Arp #Galaxy Survey: https://iopscience.iop.org/article/10.3847/1538-4365/adfc67 -> "We present new optical F606W images and point-source photometry for 216 systems, whose sizes are well matched to the Advanced Camera for Surveys’ wide field of view. Essentially, none of the samples had been previously observed with Hubble. The resulting images display rich morphologies, revealing a variety of massive stars, H ii regions, stellar clusters, dust lanes, tidal tails, backlit galaxies, and occasional chance superpositions" -> interview with the first author: https://www.youtube.com/watch?v=eewSudl4w34

Hints of Primordial Magnetic Fields at Recombination and Implications for the Hubble Tension: #HubbleTension and other cosmic mysteries: https://www6.slac.stanford.edu/news/2026-03-13-primordial-magnetic-fields-could-resolve-hubble-tension-and-other-cosmic-mysteries - an international team of researchers simulated magnetic forces in the early universe and found they could bridge the gap between the observed and calculated rates of the universe’s expansion.

The Local Distance Network - A community consensus report on the measurement of the #HubbleConstant at ∼1% precision: https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202557993 - the result is 73.5 /-0.8 (essentially 74, as I've said for years :-) km/s/Mpc, in huge tension with the CMBR -> A community-built distance network sharpens the Hubble constant and broadens the evidence behind the “Hubble tension” / The Local Universe’s Expansion Rate Is Clearer Than Ever, but Still Doesn’t Add Up: https://www.issibern.ch/hubble-constant-press-release/ / https://noirlab.edu/public/news/noirlab2611/?lang

The Stochastic Siren - Astrophysical Gravitational-Wave Background Measurements of the #HubbleConstant: https://arxiv.org/abs/2503.01997 -> Illinois and UChicago physicists develop a new method to measure the expansion rate of the universe: https://physics.illinois.edu/news/Hubble-tension-expansion-rate-of-universe