Joss Bland-Hawthorn
@jossbh.bsky.social
Astrophysicist, Director of the Sydney Institute for Astronomy, University of Sydney.
My boarding school in the heart of the Cotswolds, UK... as a child, it felt very remote.
November 21, 2025 at 11:34 PM
My boarding school in the heart of the Cotswolds, UK... as a child, it felt very remote.
So where is the foreground WLM dwarf galaxy in this JWST composite image?
en.wikipedia.org/wiki/Wolf%E2...
en.wikipedia.org/wiki/Wolf%E2...
November 19, 2025 at 1:51 AM
So where is the foreground WLM dwarf galaxy in this JWST composite image?
en.wikipedia.org/wiki/Wolf%E2...
en.wikipedia.org/wiki/Wolf%E2...
This new stream is the kind of structure you get when a dwarf galaxy on a radial orbit shoots through the centre of the massive galaxy. Simulation from Melinda Weil in 1997:
ui.adsabs.harvard.edu/abs/1997ApJ....
Rubin image:
www.nature.com/articles/d41...
It seems plausible to me...
ui.adsabs.harvard.edu/abs/1997ApJ....
Rubin image:
www.nature.com/articles/d41...
It seems plausible to me...
November 12, 2025 at 12:25 AM
This new stream is the kind of structure you get when a dwarf galaxy on a radial orbit shoots through the centre of the massive galaxy. Simulation from Melinda Weil in 1997:
ui.adsabs.harvard.edu/abs/1997ApJ....
Rubin image:
www.nature.com/articles/d41...
It seems plausible to me...
ui.adsabs.harvard.edu/abs/1997ApJ....
Rubin image:
www.nature.com/articles/d41...
It seems plausible to me...
November 7, 2025 at 9:16 PM
The day I met Dirac, right before he died in 1982. He said no to a photo, but I mentioned how a relative had done his favourite portrait (now hanging at St Johns College, Cam.) "Oh all right, but no fussing, be quick about it!"
August 27, 2025 at 5:33 AM
The day I met Dirac, right before he died in 1982. He said no to a photo, but I mentioned how a relative had done his favourite portrait (now hanging at St Johns College, Cam.) "Oh all right, but no fussing, be quick about it!"