Scans_Daily

I think he only said he could GET to space, not that he could breathe there, though of course none of them can breathe in space. The old line used to be that neither Kal nor Kara needed to breathe at all. It was Byrne who dropped that.

But as icon says: yeah, he's on a steep learning curve at this point. Hell, he may already be flying and not realize it. Otherwise physics doesn't exist in the DCU. But there is no reason he'd necessarily know what his powers' extent is--he'd have to find out.