大意是根据Spitzer红外观测的结果,AD185(东汉末年)古代中古记录的“客星”(8000光年外的RCW 86)比原先预计的大2到3倍。
但是其中这两句是不是有问题?
The star, which was similar to our sun, had died peacefully and turned into a dense white dwarf.
But the hot core of the star then sucked up material from another star and exploded in a supernova.
这颗和太阳差不多大的恒星先是坍缩成白矮星,然后吸收了其他恒星的物质最后爆炸成超新星?这个结论是怎么的出来的?