The three spiky stars are in our own Milky Way galaxy.
这三颗尖尖的恒星位于我们的银河系。
Nicknamed the Southern Pinwheel, M83 is undergoing more rapid star formation than our own Milky Way galaxy, especially in its nucleus.
绰号“南方风车”的M83正在经历比我们银河系更快的恒星形成过程，特别是在它的核心。
They originate from various events (supernovae and so on) within the Milky Way galaxy that is home to the Earth.
它们可以从地球所在的银河系中很多的事件里产生，如超新星事件等。
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