"...Well, yes," Jyn said after a beat, brow furrowing slightly, as if surprised by the fact of it. She wasn't, of course. She'd been the one to find Leia when she first arrived; that was how she'd learned of Alderaan. It was just tangential to the story of the ship as she was telling it. But in the face of Cassian's reaction, she didn't want to move on too quickly, instead giving it a chance to sink in. "A while ago. And not for very long. Ship was already here by then."