Anakin's expression goes sympathetic, "I'm sorry, Kara, that's terrible. I can't even imagine..." Well. He can imagine all too intimately what it's like to lose family but the death of an entire planet is something else entirely. Home for Anakin has always more been people than places, but even still something like he thinks would leave a scar in the Force that would keep him sleepless for years. "It's good you were able find family here, then, though I'm sorry you have to hide."

He knows about hiding things, too.