太阳依然含有原始太阳星云的大部分物质。
The Sun still contains most of the matter from the initial solar nebula.
有可能是原始星云大爆炸形成各种行星的时候，刚好由一块比较特殊的含铁量丰富的星云形成的，也有可能它的地壳表面原来也是石头，后来被太阳烤焦后变成的。
It may have formed from an unusually iron-rich part of the primordial cloud that gave birth to all the planets, or it may have had a normal rocky shell that got blasted or fried off.
据研究看来，默奇森陨石的年纪可能比太阳都大，还在太阳系的婴儿时期它路过原始星云，让这些化学物质搭了便车。
According to the study, the Murchison meteorite is possibly older than our sun and picked up its chemical hitchhikers in the solar system's infancy as it passed through primordial clouds.
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