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July 17 2019 5.27pm

Real Black Hole Images

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View Stirlingsays's Profile Stirlingsays Flag Wisbech, England 10 Apr 19 1.42pm Send a Private Message to Stirlingsays Holmesdale Online Elite Member Add Stirlingsays as a friend

Exciting day today.

Nasa release the long awaited first images of two black holes they have been looking at for several years......Should get the first news from 1500.

 

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Park Road Flag 10 Apr 19 1.47pm

Just read about it. Apparently, due to the limited amount of big telescopes observing it - it sounds like a song from a piano with a lot of broken keys - you just have to decipher what's available.

 

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View Stirlingsays's Profile Stirlingsays Flag Wisbech, England 10 Apr 19 1.54pm Send a Private Message to Stirlingsays Holmesdale Online Elite Member Add Stirlingsays as a friend

Originally posted by Park Road

Just read about it. Apparently, due to the limited amount of big telescopes observing it - it sounds like a song from a piano with a lot of broken keys - you just have to decipher what's available.

They have certainly spent a lot of time deciphering it......some suggesting that Sag A may have a jet pointed right at us or we may get a realistic event horizon.

Let's hope we get something anyway...I know they have data on a second black hole as well.......it'll be nice to learn more about their nature anyway.....considering it's what our sun is indirectly orbiting.


Edited by Stirlingsays (10 Apr 2019 1.56pm)

 

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Park Road Flag 10 Apr 19 2.09pm

Originally posted by Stirlingsays

They have certainly spent a lot of time deciphering it......some suggesting that Sag A may have a jet pointed right at us or we may get a realistic event horizon.

Let's hope we get something anyway...I know they have data on a second black hole as well.......it'll be nice to learn more about their nature anyway.....considering it's what our sun is indirectly orbiting.


Edited by Stirlingsays (10 Apr 2019 1.56pm)

Taking photos of a black hole's silhouette is like photographing an orange on the moon.
What kind of jet? My jargon is limited on the subject.
Sag A being the hole and event horizon being the telescope??

 

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View Stirlingsays's Profile Stirlingsays Flag Wisbech, England 10 Apr 19 2.24pm Send a Private Message to Stirlingsays Holmesdale Online Elite Member Add Stirlingsays as a friend

Originally posted by Park Road

Taking photos of a black hole's silhouette is like photographing an orange on the moon.
What kind of jet? My jargon is limited on the subject.
Sag A being the hole and event horizon being the telescope??

Whatever particles get close enough to a 'black hole' end up in its event horizon....the orbital point around the 'black hole' within which no escape is possible.....whatever it is that got that close to the star will be shredded into particles and they will fall into the object.

We know that, depending upon some conditions being met, jets erupt from the poles of black holes, shooting particles at speeds approaching that of light.

We may have one of those jets pointed at us or near us....which may account for the longer time it's taken to reveal the images.....or perhaps it's for another reason.


Edited by Stirlingsays (10 Apr 2019 2.27pm)

 

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Park Road Flag 10 Apr 19 2.31pm

Originally posted by Stirlingsays

Whatever particles get close enough to a 'black hole' end up in its event horizon....the orbital point around the 'black hole' within which no escape is possible.....whatever it is that got that close to the star will be shredded into particles and they will fall into the object.

We know that, depending upon some conditions being met, jets erupt from the poles of black holes, shooting particles at speeds approaching that of light.

We may have one of those jets pointed at us or near us....which may account for the longer time it's taken to reveal the images.....or perhaps it's for another reason.


Edited by Stirlingsays (10 Apr 2019 2.27pm)

Ok thanks... just read about those jets of gas shooting out at the speed of light...
All quite interesting if not difficult to get my head round it..

 

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Park Road Flag 10 Apr 19 2.32pm

There's a live conference on sky news now about it

 

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View Mr Fenandes's Profile Mr Fenandes Flag 10 Apr 19 2.34pm Send a Private Message to Mr Fenandes Add Mr Fenandes as a friend

Doesn't the information paradox suggest we are currently existing on an event horizon in a kind-of 2D form, whilst we "see" the world in 3D which is actually nothing more than a hologram?

 


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View Stirlingsays's Profile Stirlingsays Flag Wisbech, England 10 Apr 19 2.34pm Send a Private Message to Stirlingsays Holmesdale Online Elite Member Add Stirlingsays as a friend

Wow, not Sag A star I think but an amazing image all the same.

black_hole.JPG Attachment: black_hole.JPG (37.07Kb)

 

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Park Road Flag 10 Apr 19 2.40pm

Originally posted by Mr Fenandes

Doesn't the information paradox suggest we are currently existing on an event horizon in a kind-of 2D form, whilst we "see" the world in 3D which is actually nothing more than a hologram?

the puzzle of where the information goes when matter is consumed by a black hole.

I'm way out of my depth here

 

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View Stirlingsays's Profile Stirlingsays Flag Wisbech, England 10 Apr 19 2.41pm Send a Private Message to Stirlingsays Holmesdale Online Elite Member Add Stirlingsays as a friend

Originally posted by Mr Fenandes

Doesn't the information paradox suggest we are currently existing on an event horizon in a kind-of 2D form, whilst we "see" the world in 3D which is actually nothing more than a hologram?

The holographic theory is interesting and there are definitely some suggestions that 'distance' between objects isn't something we fully understand....entanglement is a mystery, what happens to information beyond the event horizon. Perhaps we will inch forward soon.

But these are concepts, like gravity, that are mysteries yet to be revealed.....like Newton said.

'I know not how I seem to others, but to myself I am but a small child wandering upon the vast shores of knowledge, every now and then finding a small bright pebble to content myself with while the vast ocean of undiscovered truth lay before me.'

 

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View ASCPFC's Profile ASCPFC Flag Pro-Cathedral/caravan park 10 Apr 19 3.03pm Send a Private Message to ASCPFC Add ASCPFC as a friend

Originally posted by Stirlingsays

Wow, not Sag A star I think but an amazing image all the same.

That's a Monster Munch I discarded several decades ago

 


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