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by bookofjoe 1120 days ago
Once upon a time black holes were purely theoretical.

See, for example:

>The Country Parson Who Conceived of Black Holes [in 1783]

https://www.amnh.org/learn-teach/curriculum-collections/cosm....

>A Brief History of Black Holes

https://www.amnh.org/learn-teach/curriculum-collections/cosm....

>At a conference in New York in 1967, Dr. Wheeler, seizing on a suggestion shouted from the audience, hit on the name “black hole” to dramatize this dire possibility for a star and for physics.

https://www.nytimes.com/2008/04/14/science/14wheeler.html#:~....

1 comments

Survivorship bias. Aether was once also a theory which "just" needed an experimental evidence.