Others believe that interstellar dust might have obscured the sight.其他人则认为，可能是星际尘埃模糊了视线。Stars condense from the matter scattered thinly through interstellar space.恒星是疏散在星际空间的物质凝聚而成的。People have been speculating about interstellar flight for years.对于星际飞行人们猜想已久。