1、The supernova remnant is within the plane of our Milky way Galaxy and is 2,600 light-years away.
超新星的殘骸位于銀河系的平面內(nèi)，距離地球2600光年。

2、Around the Swan is a part of our Milky Way galaxy that is called the Cygnus Star Cloud.
圍繞著天鵝座的是我們銀河系的一部分，被稱為天鵝座星云。

3、They originate from various events within the Milky Way galaxy that is home to the Earth.
它們可以從地球所在的銀河系中很多的事件里產(chǎn)生，如超新星事件等。