The thing is, astronomical images involve time exposures. Using the same telescope you could see the thing directly if your retina were sufficiently sensitive. Not going to happen.
The above involves speculation on my part. Also I am highly medicated. ----------------------------------- Frank Wimberly My memoir: https://www.amazon.com/author/frankwimberly My scientific publications: https://www.researchgate.net/profile/Frank_Wimberly2 Phone (505) 670-9918 On Wed, Apr 10, 2019, 6:25 PM Nick Thompson <nickthomp...@earthlink.net> wrote: > Eric, > > May I have leave to ask you a ==> really dumb question<==? > > What does it mean to say that we have "seen" a black hole? It's a > metaphor, right? In the sense that saying that we have "seen" an electron > is a metaphor. And there is a lot of equipment that has been > aggressively designed to make that metaphor seem ... um ... less ... um... > metaphorical. Is the seeing of a black hole any more or less direct than > the seeing of an electron? > > Thanks, if you have time to tangle with this. > > Nick > > Nicholas S. Thompson > Emeritus Professor of Psychology and Biology > Clark University > http://home.earthlink.net/~nickthompson/naturaldesigns/ > > -----Original Message----- > From: Friam [mailto:friam-boun...@redfish.com] On Behalf Of Eric Smith > Sent: Wednesday, April 10, 2019 4:49 PM > To: The Friday Morning Applied Complexity Coffee Group <friam@redfish.com> > Subject: Re: [FRIAM] da foist pictures of a black hole > > Indeed, Gil, > > I was just on the piont of writing to the list, because I was surprised at > no traffic on this stunner. > > There is a photomontage I would love to have, which I think doesn’t exist > yet, but now can. > > Full M87 in the visible: > http://hubblesite.org/image/2391/gallery > (which I guess is about a 100-arcsecond image) > > The M87 jet in the radio: > https://apod.nasa.gov/apod/image/0007/m87jet_hst_big.jpg > (maybe 10-20 arcsecond scale) > > The 7-arcsecond close-up of the jet in radio (VLA), X-ray (Chandra), and > visible (Hubble), which is mostly motivated by understanding the “knot” > they label HST-1: > http://chandra.harvard.edu/photo/2001/0134/M87_scale.jpg > > And now the 50-microarcsecond images of the central black hole > https://aasnova.org/2019/04/10/first-images-of-a-black-hole-from-the-event-horizon-telescope/ > > To see a world in a grain of sand. > > > So one good thing will have happened today, > > Eric > > > > > > > > On Apr 11, 2019, at 7:28 AM, Gillian Densmore <gil.densm...@gmail.com> > wrote: > > > > https://www.nytimes.com/2019/04/10/science/black-hole-picture.html > > > > ^ now that is amazing. Keep kicking arse science! > > ============================================================ > > FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe > > at St. John's College to unsubscribe > > http://redfish.com/mailman/listinfo/friam_redfish.com > > archives back to 2003: http://friam.471366.n2.nabble.com/ > > FRIAM-COMIC http://friam-comic.blogspot.com/ by Dr. Strangelove > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College to unsubscribe > http://redfish.com/mailman/listinfo/friam_redfish.com > archives back to 2003: http://friam.471366.n2.nabble.com/ > FRIAM-COMIC <http://friam.471366.n2.nabble.com/FRIAM-COMIC> > http://friam-comic.blogspot.com/ by Dr. Strangelove > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > archives back to 2003: http://friam.471366.n2.nabble.com/ > FRIAM-COMIC <http://friam.471366.n2.nabble.com/FRIAM-COMIC> > http://friam-comic.blogspot.com/ by Dr. Strangelove >
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