>I'm assuming it's either difficult or impossible to measure another star's heliopause. It would be fascinating to see the effects of a cold cloud interaction i

>I'm assuming it's either difficult or impossible to measure another star's heliopause. It would be fascinating to see the effects of a cold cloud interaction in "real" time! I'm pretty sure we observe it routinely. There are tons of beautiful pictures of stars blowing away Nursery nebula. This is the heliopause of those Stars interacting with dense interstellar medium