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Soon like tomorrow or soon like 1000 years?
Soon as in probably within the next month.
Also soon as in 3000 years ago.
both? both! both correct
It should happen about 35-40 times in the next 3000 years.
Fr fr?
Do you know how we know it's about to go nova ? Is it because we noticed increased activity or is there something else ?
It follows an ~80 year pattern, with significant changes in luminosity. The change that occurs immediately before the nova is currently underway. Based on historical records, and far more accurate telescopes we could measure it months in advance. It's pretty cool.
There are a lot of telescopes watching it 24/7 right now, and as I understand it, several of the most powerful have time reserved to immediately watch it as soon as it is detected.
This will be a huge leap in observation of nova. Astronomers don't fuck around with this sort of event, that's how well this is predicted.