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→Impossible?: if we ever find a star that emits light and has its mass inside its Schwarzschild radius
Guys, this is becoming quite the argument; however, it is unnecessary because the idea that black holes exist ''is'' falsifiable. If NASA sends probes out to nearby black holes (which would take a long time, but it's possible), and they all turn out to be ancient Spartans in spaceships or whatever, then scientists will conclude that black holes don't exist and start working on how Spartans came to be in space and why they have accretion disks, etc. So black holes are falsifiable, and this argument is a source of unnecessary tension. [[User:BlueMoon|BlueMoon]] 12:55, 8 July 2009 (EDT)
Guys, this is becoming quite the argument; however, it is unnecessary because the idea that black holes exist ''is'' falsifiable. If NASA sends probes out to nearby black holes (which would take a long time, but it's possible), and they all turn out to be ancient Spartans in spaceships or whatever, then scientists will conclude that black holes don't exist and start working on how Spartans came to be in space and why they have accretion disks, etc. So black holes are falsifiable, and this argument is a source of unnecessary tension. [[User:BlueMoon|BlueMoon]] 12:55, 8 July 2009 (EDT)
I don't get this non-falsifiable argument. If we see light from a star, then it is not a black hole. Any claim that it is a black hole is then falsified. Black hole theory says that a star becomes a black hole whenever its mass goes inside its Schwarzschild radius, it becomes a black hole. So if we ever find a star that emits light and has its mass inside its Schwarzschild radius, then the theory is falsified. [[User:RSchlafly|RSchlafly]] 10:32, 28 July 2009 (EDT)