BecomeMe

802 readers

1 users here now

Social Experiment. Become Me. What I see, you see.

founded 1 year ago

MODERATORS

Renneder@sh.itjust.works

No, new measurements can't relax the Hubble tension - There are two different ways to measure the expansion rate of the Universe, and they don’t agree. And no, new measurements don’t help. (bigthink.com)

submitted 3 months ago by Renneder@sh.itjust.works to c/becomeme@sh.itjust.works

10 comments fedilink hide all child comments

you are viewing a single comment's thread
view the rest of the comments

[–] A_A@lemmy.world 2 points 3 months ago* (last edited 3 months ago)

When there is a supernova explosion, the atoms from that explosion are in a volume of space that expands but those atoms keep the same energy levels for their electronic transitions ... also, these energy levels corresponds to wavelengths of light which are the measuring sticks for the physicist.
TLDR : in expanding space, physicist's measuring sticks do not expand.