To be clear I'd have been fine with "this one specific star just happens to be dying right now". I don't think that twist scales up very well though.
My point with this is that it's just the anthropic principle, which is a critical part of the actual cosmology of our world. So to say it's too coincidental is to say the anthropic principle is too coincidental, which sure it might be, but it's also totally real. It's another great use of real physics in the story.
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_foolmo_ he says listen to my story this maybe are last chance