What are the odds?
2 replies to this topic
Posted 02 December 2012 - 03:26 PM
What is the probability of chance alignment resulting in one ring galaxy being positioned face on, visible inside the ring of another face on ring galaxy? (Obviously nonzero, since Hoag's Object exists)
Posted 03 December 2012 - 06:47 PM
Maybe like gravitational microlensing events - extremely improbable but if you watch enough stars for long enough, you'll catch one...