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A comment on Milky Way’s Black Hole Just Flared, Growing 75 Times as Bright for a Few Hours. Parent comment

Re:Milky Way’s Black Hole Just Flared, Growing 75 Times as B... by mirimir on Tuesday August 13, 2019 @08:47PM (#20691737)
Huh?

It hasn't happened yet in reference frames around the Large Magellanic Cloud, right?

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Re:Milky Way’s Black Hole Just Flared, Growing 75 Times as B... by zeven7 on Tuesday August 13, 2019 @09:15PM (#20691877)
It already happened for those reference frames, they just haven't been able to observe it yet. For any such beings living there, they don't know about the event yet. But when they witness it, they will measure and calculate that the event did occur before today.

The only reference frame that could see it and then measure and calculate it as having happened after today would be one travelling faster than c relative to us.

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Re:Milky Way’s Black Hole Just Flared, Growing 75 Times as B... by mirimir on Tuesday August 13, 2019 @09:39PM (#20691997)
OK, I get it. Thanks.
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Re:Milky Way’s Black Hole Just Flared, Growing 75 Times as B... by im3w1l on Wednesday August 14, 2019 @12:33AM (#20692735)
A reference frame does not have a notion of position. By past I meant the "past from the perspective of someone on Earth right now, possibly traveling at near speed of light in some direction".
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