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Thread: The Event Horizon Telescope - photographing a black hole

  1. #1
    Join Date: Jan 2008

    Location: Forest of Dean, Glos

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    I'm Jerry.

    Default The Event Horizon Telescope - photographing a black hole

    Big "groundbreaking" announcement today from the international project whose goal is to provide the first ever direct images of a super-massive black hole.

    Handy 4 minute background video ...



    Basically, a number of radio telescopes around the world operating at a wavelength of 1mm have been meshed together to create a telescope the size of our planet. With this, sufficient detail should be available to provide an image of what is happening around the central black holes in our own galaxy and also the giant galaxy M87.

    Could be amazing.

    Watch the press conference today live at 1300 GMT. https://www.nsf.gov/news/special_reports/blackholes/
    Jerry

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  2. #2
    Join Date: Feb 2013

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    I'm Grant.

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    Read that the other day Jerry. Think it was live science
    Regards,
    Grant .... ؠ

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  3. #3
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    Wow.

    Jerry

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  4. #4
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    ... that image is of the Super Massive Black Hole at the centre of the giant elliptical galaxy M87.

    https://www.sciencealert.com/event-h...YNfMK-AvTQ1Wkw

    As far as I know an image of the SMBH at the centre of our galaxy hasn't yet been released.
    Both were the subject of the EHT project.

    Here's a photo of the whole of the M87 galaxy taken at optical wavelengths.



    There is a relativistic jet of material coming out of the galaxy - at about the 2 o'clock position on the photo - probably expelled by the central black hole.
    Jerry

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  5. #5
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    I'm Martin.

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    And what's more Einstein is still sleeping soundly...

  6. #6
    Join Date: Jan 2008

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    Yes, it looks like it.
    Much detailed analysis to do I am sure, to check the images against the precise predictions of general relativity.
    But certainly looks good so far.

    Shame Stephen Hawking didn't live quite long enough to see this.
    Jerry

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  7. #7
    Join Date: May 2012

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    I have seen this before >
    .
    .
    .
    .
    .
    Music , fills the gaps between silence !

    TAT Sale post Leader " Marcos Mentor "

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  8. #8
    Join Date: Oct 2012

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    I'm Alan.

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    Quote Originally Posted by jandl100 View Post
    Shame Stephen Hawking didn't live quite long enough to see this.
    That is a shame as he had so much input into understanding black holes and the event horizon.

  9. #9
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    So, what are we seeing in that black hole image?

    If you want your brain well and truly scrambled, watch this 9 minute video

    Jerry

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  10. #10
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    But = I think I will carry on seeing the back of my head when in the barbers chair , Its a lot less effort

    This Science is amazing Love it
    Music , fills the gaps between silence !

    TAT Sale post Leader " Marcos Mentor "

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