Covering up an extinction level event caused by an astronomical anomaly

I would like to know how possible/plausible it is that any space agency could spot an object larger than our sun, that doesn't reflect light, heading towards us in time to give us somewhere around 50 years or so to come up with a solution while in no way alerting civilians to our impending doom. I'd also like to know how close this "thing" could get to Earth before amateur astronomers would notice it.

Another important detail: Gravity has no effect on this thing. Its path isn't affected by the gravitational pull of other objects and it doesn't pull anything towards it.

EDIT: I wanted to add a little more info in case it makes a difference. I apologize for not saying it sooner. Just slipped my mind. I think it's a living thing. Not necessarily sentient, though. And mostly unexplainable. Like something that shouldn't exist.

Sorry if this is getting too far off science-based. I'm mostly considering the means of detection the science-based part. And the reality-check part would be covering it up until civilians found out on their own and how far out it could be and still be detected. Again, sorry if I'm messing this up.

posted over 6 years ago

Cthulhu‭

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