A large chunk of comet Wild 2 does indeed come from the beginnings of our own Sun.

“怀尔特2”彗星的一大部分确实来自早期的太阳。

youdao

A large chunk of comet Wild 2 does indeed come from the beginnings of our own Sun.

“怀尔特2”彗星的一大部分确实来自早期的太阳。

youdao