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Black hole Sag a at the galactic core brightens by 75 times

 
Anonymous Coward
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08/10/2019 09:22 PM
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Black hole Sag a at the galactic core brightens by 75 times
This has been observed over the last few months.

Just wondering if anyone has been following this development.



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Anonymous Coward
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08/10/2019 09:30 PM
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Re: Black hole Sag a at the galactic core brightens by 75 times
Observed by whom? Source, please? The video is a nice illustration,
but it's from 2009 and says nothing about the increase in brightness.
Anonymous Coward (OP)
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08/10/2019 09:36 PM
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Re: Black hole Sag a at the galactic core brightens by 75 times
Observed by whom? Source, please? The video is a nice illustration,
but it's from 2009 and says nothing about the increase in brightness.
 Quoting: Anonymous Coward 77887240


I will see what I can come up that is more current.
Here is another video with some background on the dynamics observed at the core.




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catnahalf
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08/10/2019 09:59 PM

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Re: Black hole Sag a at the galactic core brightens by 75 times
bump
Anonymous Coward (OP)
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08/10/2019 10:00 PM
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Re: Black hole Sag a at the galactic core brightens by 75 times


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Anonymous Coward (OP)
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08/10/2019 10:11 PM
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Re: Black hole Sag a at the galactic core brightens by 75 times


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Annie Oakley

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08/10/2019 10:21 PM

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Re: Black hole Sag a at the galactic core brightens by 75 times
There was a planet or star or something orbiting it and stretching like spaghetti a few years ago. We watched but it didn't eat it.
Anonymous Coward (OP)
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08/10/2019 10:26 PM
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Re: Black hole Sag a at the galactic core brightens by 75 times
There was a planet or star or something orbiting it and stretching like spaghetti a few years ago. We watched but it didn't eat it.
 Quoting: Annie Oakley



The timescales on these events take years, still the dynamics at the core are blazingly fast by cosmic standards. The previous vid I posted deals with the gas blob you reference. It's effects were expected but were evidently a couple of years behind predictions.
Anonymous Coward
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08/10/2019 10:31 PM
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Re: Black hole Sag a at the galactic core brightens by 75 times
That light is reaching us NOW. Derpp01
Deplorable Xeven

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08/10/2019 10:35 PM

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Re: Black hole Sag a at the galactic core brightens by 75 times
When large amounts of matter get smeared around in orbit outside the event horizon it heats up and glows. Ever see a saw in the dark?
AKA Xeven. I reserve the right to declare my comments and posts as satire. Nothing I post should be considered or interpreted as advocacy for illegal activity. My comments maybe designed to inspire critical political thinking. For Hire!
Anonymous Coward (OP)
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08/10/2019 10:39 PM
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Re: Black hole Sag a at the galactic core brightens by 75 times
When large amounts of matter get smeared around in orbit outside the event horizon it heats up and glows. Ever see a saw in the dark?
 Quoting: Deplorable Xeven


True. There is also a chance a relativistic radio jet emission is pointing our way. Interesting developments however you look at it.
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08/10/2019 10:39 PM
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Re: Black hole Sag a at the galactic core brightens by 75 times


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Anonymous Coward
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08/11/2019 01:48 AM
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Re: Black hole Sag a at the galactic core brightens by 75 times
Wow, great info, thanks
Anonymous Coward
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08/11/2019 02:07 AM
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Re: Black hole Sag a at the galactic core brightens by 75 times
When large amounts of matter get smeared around in orbit outside the event horizon it heats up and glows. Ever see a saw in the dark?
 Quoting: Deplorable Xeven


precisely.

that's why all the area around the black hole is lit-up,
while it's waiting it's turn to get sucked-in.
Anonymous Coward (OP)
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08/11/2019 02:15 AM
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Re: Black hole Sag a at the galactic core brightens by 75 times
Wow, great info, thanks
 Quoting: Anonymous Coward 77046882


You are welcome. It is humbling to contemplate the incredible scale and power of the universe and I am grateful to the generations of scientists and researchers who have increased our knowledge and awareness of all these fantastic realities playing out at such great distances and timescales.
Anonymous Coward (OP)
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08/11/2019 02:25 AM
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Re: Black hole Sag a at the galactic core brightens by 75 times


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Anonymous Coward
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08/11/2019 02:46 AM
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Re: Black hole Sag a at the galactic core brightens by 75 times
Those pesky aliens with "magical" (sufficiently advanced) technology... and also -- those filthy thieves!

If that news is true, Sagittarius A* is already not there anymore.

Such an increase in brightness would mean that somebody had been feeding that particular black hole (had done it 25,000+ years ago) enough energy to dislodge it from its gravitational well... and then took it away as an energy source for an (multi-m/billion-year) intergalactic journey.

Some alien civilizations apparently make such a choice. A perfectly meaningless one, in my opinion, but hey, to each their own.

Nothing special should happen, however... for a few million years... after which the Milky Way will turn into an "ultra-diffuse" galaxy...

[link to www.cbc.ca (secure)]

... and some other (alien) scientists, in some other galaxy, will start wondering "Where has all the dark matter of the Milky Way galaxy gone to!?"
(hint: it was never there in the first place)

Of course, statistically speaking, this is an equivalent of wrecking a pile of balls on a billiard table, and there exists a possibility that another solar system (in close proximity) may bump into the Solar System sooner than that, but not for at least a few hundred thousand years.

More than enough time... considering that Earth, itself, may have just a few years left.

It's all so relative, isn't it?

So much out there depends on one's point of view.

Starting to see the sheer pointlessness of hiding the reality of this Universe from Joe Ordinary yet?
Anonymous Coward (OP)
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08/11/2019 02:51 AM
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Re: Black hole Sag a at the galactic core brightens by 75 times


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SuperSoldier Specimen
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08/11/2019 04:50 AM
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Re: Black hole Sag a at the galactic core brightens by 75 times
Those pesky aliens with "magical" (sufficiently advanced) technology... and also -- those filthy thieves!

If that news is true, Sagittarius A* is already not there anymore.

Such an increase in brightness would mean that somebody had been feeding that particular black hole (had done it 25,000+ years ago) enough energy to dislodge it from its gravitational well... and then took it away as an energy source for an (multi-m/billion-year) intergalactic journey.

Some alien civilizations apparently make such a choice. A perfectly meaningless one, in my opinion, but hey, to each their own.

Nothing special should happen, however... for a few million years... after which the Milky Way will turn into an "ultra-diffuse" galaxy...

[link to www.cbc.ca (secure)]

... and some other (alien) scientists, in some other galaxy, will start wondering "Where has all the dark matter of the Milky Way galaxy gone to!?"
(hint: it was never there in the first place)

Of course, statistically speaking, this is an equivalent of wrecking a pile of balls on a billiard table, and there exists a possibility that another solar system (in close proximity) may bump into the Solar System sooner than that, but not for at least a few hundred thousand years.

More than enough time... considering that Earth, itself, may have just a few years left.

It's all so relative, isn't it?

So much out there depends on one's point of view.

Starting to see the sheer pointlessness of hiding the reality of this Universe from Joe Ordinary yet?
 Quoting: Anonymous Coward 77891708




Time doesnt exist inside Blackholes which are actually Whiteholes. Which means faster than light and time-travel and part of the interdimensional circumnavigation of the higher realities normally associated with mythological "heavens".
WGON
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08/12/2019 04:08 PM

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Re: Black hole Sag a at the galactic core brightens by 75 times
bump
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