如果要问哪一种东西最永恒,恐怕每个人都会想到我们头顶的星星。其实,星星也并不永恒,每一个天体都有其诞生和灭亡的必然过程。80亿年后,在焦红的地球上看太阳,它那红色的圆面将占据大半个天空。此后太阳将继续膨胀,并将地球吞入腹内,继而外层物质消散到宇宙空间,在它的核心位 If you want to ask what kind of thing is the most eternal, I am afraid that everyone will think of the stars above us. In fact, the stars are not eternal, every celestial body has its inevitable process of birth and demise. Eight billion years later, the sun is seen on a red Earth, its red surface will occupy most of the sky. Since then the sun will continue to swell and swallow the earth into the abdomen, which in turn will dissipate into the outer space and in its core