Do you guys think Conformal Cyclic Cosmology is a valid theory?

[brainhulk]

No, Roger Penrose, We See No Evidence Of A ‘Universe Before The Big Bang’

Despite the claims of one of Earth's newest Nobel Laureates, the data doesn't lie.

www.forbes.com

I wonder how many times the Universe has been reset. How many discussions of bulk beef were had...
All the knowledge about Apes vs Lions gained, only to be lost by the great reset button...

 

[BurnItDwn]

Only the Marklars on planet Marklar know the Marklar about the Marklar Marklar Marklar.

Sorry, in principle i understand the question, and the models, but, too many layers of abstraction, and i lost interest and cant process. So, it mostly just goes whoosh over my head and i think of nonsensical south park references.

 

[[DHT]Osiris]

No, Roger Penrose, We See No Evidence Of A ‘Universe Before The Big Bang’

Despite the claims of one of Earth's newest Nobel Laureates, the data doesn't lie.

www.forbes.com

I wonder how many times the Universe has been reset. How many discussions of bulk beef were had...
All the knowledge about Apes vs Lions gained, only to be lost by the great reset button...

Probably not, we've seen no indication that our expansion will ever slow down, much less reverse. Multiverse with a big rip/heat death/entropy soup is far more enticing based on evidence.

 

[PowerEngineer]

I think "valid" is a difficult adjective to attach to the word "theory". FWIW, I would consider a theory "valid" if it was internally consistent and isn't irretrievably contradicted by observable facts. This opens the door for there being many "valid" theories that try to explain things like dark matter, dark energy, and the evolution of our universe (in large part because we have relatively few facts to contradict them). In that sense, then I would guess that Penrose's theory is "valid".

That said, at any given time there is one theory (from among the many "valid" theories) that is the consensus choice to be the best (i.e. simplest, most likely to be true) explanation that we have. That is the "Big Bang" today. Maybe new discoveries will make it Penrose's tomorrow.