Quote:
Originally Posted by renormalised
Could be a case of our angle of view onto this object, or, it's taken a hit from something else that we haven't yet identified at some time in the past. Also, another reason...how big was the interacting galaxy that produced the "hula hoop" star streams and the rest of the debris around this galaxy?? It may have been bigger than we suspect. What was the geometry of the collision etc etc.
How many papers have been published about this galaxy and/or similar galaxies and their morphologies??.
BTW, Ken....nice piccie  |
It was most likely a dwarf galaxy and it is believed to have made at least 2 orbits. There are several N-Body simulations that show how these interactions work. Our Star Stream team has several that were done. These are some that are currently being studied . . . .
Here is another stream that I have captured but with only one "loop" but a simular type orbit. It's stream is much fainter and harder to capture.
http://www.imagingdeepsky.com/Galaxi...84/NGC4684.htm
http://www.imagingdeepsky.com/Streams.html
Kindest Regards,