Keith, it's still news to me. I freely admit that, when it comes to black holes, I stopped reading the arVix papers on them a long time ago. Lax of me, I know.
On Sat, Aug 21, 2010 at 7:42 PM, Keith Johnson <keithbjohn...@comcast.net>wrote: > > > Actually, Martin, is this related to, or exactly the same as, the very > well known phenomenon where the collapsing disk of gas around a black hole > produces super energetic jets of energy? The jets that are the cause of what > we used to call quasars? It seems to be the source of the "volcano" they > mention. In other black holes with such jets--or in the aftermath of > supernovas for that matter--there is evidence of the violent outward push of > the jets or solar winds forcing local gas and dust away from the source. > The difference here seems to be this new factoid about gas cooling and > "falling" toward the center of the galaxy to form stars, but being thwarted > by the jets. On the flipside, though, I thought that what often happens to > gas that's pushed away from such a source, is that the shockwaves actually > help start star formation as they force compression and aggregation of gas > particles along the path of the outward force. > > > ----- Original Message ----- > From: "Martin Baxter" <martinbaxt...@gmail.com> > To: "SciFiNoir2" <scifinoir2@yahoogroups.com> > Sent: Saturday, August 21, 2010 7:21:51 PM > Subject: [scifinoir2] Galactic Supervolcano Erupts From Black Hole > > > > As a physicist, this is news to me... > > http://www.wired.com/wiredscience/2010/08/galactic-volcano > > -- > "If all the world's a stage and we are merely players, who the bloody hell > wrote the script?" -- Charles E Grant > > http://www.youtube.com/watch?v=fQUxw9aUVik > > -- "If all the world's a stage and we are merely players, who the bloody hell wrote the script?" -- Charles E Grant http://www.youtube.com/watch?v=fQUxw9aUVik
