Explanation: Hurtling through a cosmic dust cloud a mere 400 light-years away, the lovely Pleiades or Seven Sisters star cluster is well-known for its striking blue reflection nebulae.

• 说明： 穿梭在距离我们大约400光年远的尘埃星云内，可爱的昴星团/七姐妹星团以其显著的蓝色反射星云而得名。