Sorry, could not resist the temptation to post this little clip on the relative sizes of astronomical objects.很抱歉，无法抗拒的诱惑后这个小剪辑的相对大小的天文物体。 It’s one thing to know the diameters of these, quite another to see them compared to scale, side by side.这是一件事知道的直径这些，完全是另一回事看到他们相比，规模，肩并肩。 Enjoy.享受。