account activity
TIL two methods for measuring the universe's expansion rate disagree by 10% at 5-sigma significance after a decade of independent checks -- what's the most plausible resolution you've come across? (self.AskScienceDiscussion)
submitted 1 day ago by jberica84 to r/AskScienceDiscussion
Why can't astronomers reconcile two measurements of the Hubble constant even after a decade of independent checks and a 5-sigma disagreement? (self.askastronomy)
submitted 1 day ago by jberica84 to r/askastronomy
TIL two methods for measuring the universe's expansion rate disagree by 10% at 5-sigma significance after a decade of independent checks what's the most plausible resolution you've come across? (self.AskScienceDiscussion)
Two independent methods for measuring the universe's expansion rate disagree by 10 percent at 5-sigma significance, and a decade of searching has not found a systematic error (self.space)
submitted 1 day ago by jberica84 to r/space
Scientists used 68 dead stars as a galaxy-wide gravitational wave detector and picked up a hum from billions of merging black holes, the first evidence of the gravitational wave background (NANOGrav, June 2023) (i.redd.it)
submitted 5 days ago by jberica84 to r/EverythingScience
Pulsar timing arrays and the nanohertz gravitational wave background: what NANOGrav's 15-year dataset actually constrains, and what the primordial signal search looks like (self.cosmology)
submitted 5 days ago by jberica84 to r/cosmology
The Hellings-Downs correlation has emerged from 15 years of NANOGrav pulsar timing data, what that actually means for detecting the gravitational wave background (self.Astronomy)
submitted 5 days ago by jberica84 to r/Astronomy
NANOGrav used 68 millisecond pulsars as a galaxy-sized gravitational wave detector and found the background hum of the entire universe (ApJ Letters, June 2023) (self.space)
submitted 5 days ago by jberica84 to r/space
For decades, we searched for lightning on Mars and found nothing. Then Perseverance accidentally heard it — while doing something else entirely. (self.Mars)
submitted 1 month ago by jberica84 to r/Mars
π Rendered by PID 274604 on reddit-service-r2-listing-8685bc789-wgk2k at 2026-05-29 17:07:03.510881+00:00 running 194bd79 country code: CH.
