Muvlon
Muvlon t1_je90mb6 wrote
Reply to comment by amitym in Ultramassive black hole over 30 billion times mass of our sun has been spotted. The discovery had been made possible thanks to a phenomenon known as gravitational lensing — the first time a black hole has been spotted in such a way. by Wagamaga
Right, but those are tidal forces, and how much of those you experience depends not only on what your orbit looks like but also on how big you are (and how you're oriented). So I'm not sure how you arrived at the 50G number, there must be some hidden assumptions.
Muvlon t1_je7f7cf wrote
Reply to comment by amitym in Ultramassive black hole over 30 billion times mass of our sun has been spotted. The discovery had been made possible thanks to a phenomenon known as gravitational lensing — the first time a black hole has been spotted in such a way. by Wagamaga
> Anyone in orbit just above the event horizon would move at about 6km / s, roughly comparable to low Earth orbital velocity, and would be subject to only 50 gees
Wait, what? Wouldn't they be subject to 0 gees, seeing as they're in orbit, i.e. experiencing no acceleration?
Muvlon t1_ja39sdf wrote
Reply to comment by Steakosaurus in Ford’s EVs are getting faster charging and more affordable batteries thanks to new chemistry by Ssider69
Another benefit is safety - LFP batteries do not react nearly as catastrophically to overcharging, overheating and physical impact as NCA or NMC.
Muvlon t1_jebecrf wrote
Reply to comment by amitym in Ultramassive black hole over 30 billion times mass of our sun has been spotted. The discovery had been made possible thanks to a phenomenon known as gravitational lensing — the first time a black hole has been spotted in such a way. by Wagamaga
Ah, so it's the gravitation acceleration for a still standing obverser, not an infalling one or one that is in orbit.