A so-called "planetary nebula" is a confusing misnomer because these clouds have nothing to do with planets. As a medium-size star nears the end, it puffs out into a red giant — about 100 to 1,000 times its original size — eventually engulfing the space around it, including any nearby worlds.
separated candies
，更多细节参见PDF资料
说完室外的问题，再来谈谈室内。这个公寓的卫生间和 Oxley Edge 布局类似，也是一道门通往卧室，一道门通往客厅和厨房，进出卫生间很方便。不过卫生间淋浴的下水口设计的匪夷所思，前文提过门底下缝隙太大的问题，下水口的缝隙倒是小了，极其容易被毛发堵住，每次洗澡后都要花很长时间清理毛发。。PDF资料对此有专业解读
Michael Dellemyr, who is leading the police response, told Norwegian broadcaster NRK the explosion was at the public entrance to the building.，推荐阅读新收录的资料获取更多信息