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Sabine Hossenfelder comments on this paper: Dark Energy might not exist after all https://youtu.be/oqgKXQM8FpU https://youtu.be/oqgKXQM8FpU
by platz 7y ago
Sabine Hossenfelder comments on this paper:
Dark Energy might not exist after all
https://youtu.be/oqgKXQM8FpU https://youtu.be/oqgKXQM8FpU
- ncmncm 7y agoAmusingly, this video is about entirely different work that also calls into question the basis for claims about dark energy. Nobody seems to be saying how the two results interact. Taking away dark energy twice could give us negative dark energy, which would be fun. I don't know whether unexpected negative dark energy would be more embarrassing than unexpected zero dark energy.
- platz 7y agoAh, that is funny - I just assumed i didn't understand the different descriptions because I'm not an expert. That they are different explains my puzzlement. * indeed this is the same result as https://www.quantamagazine.org/no-dark-energy-no-chance-cosmologists-contend-20191217/ https://www.quantamagazine.org/no-dark-energy-no-chance-cosm... which is different from the OP paper
- SubiculumCode 7y agonegative dark energy. sounds sexy.
- Jweb_Guru 7y agoIt sounds like the earlier article is pretty flawed and doesn't control for things like redshift associated with the motion of the solar system, so I very much doubt that the observations in that paper will end up "stacking" with those in this one. I'm no expert, but it seems like this more recent paper presents a much more serious challenge to the existence of dark energy.