The Degree of Fine-Tuning in our Universe -- and Others — HN submission

Fri, 11 Sep 2020 15:23:31 GMT

The Degree of Fine-Tuning in Our Universe – and Others

2 points; 0 discussion replies on HN. Paper and source history. A submission is not an endorsement.

The Degree of Fine-Tuning in our Universe -- and Others — mentioned by njarboe

Fri, 11 Sep 2020 15:19:49 GMT

The Anthropic principle idea that this universe's physical properties can't vary much and produce carbon/hydrogen/oxygen (CHO) based life on the surface of planets is probably not correct and was just popularized many decades ago when the understanding of nuclear physics was not as complete as it is now. The possible paths to a CHO universe with acceptable planet surface conditions were not well explored. From the linked article: "Suppose the fine structure constant were in fact 10% different — enough to prevent stellar fusion from producing carbon." This is an old idea and is probably false…

Paper and discussion history. A mention is not an endorsement.

The Degree of Fine-Tuning in our Universe -- and Others · HackerPapers discussions

The Degree of Fine-Tuning in our Universe -- and Others — HN submission

The Degree of Fine-Tuning in our Universe -- and Others — mentioned by njarboe