研究者猜测它的宿主星系很有可能隐藏在星尘之中，但无迹可寻。
Researchers thought the galaxy must be hidden behind some dust. But they didn't find one.
前身恒星很容易找到，因为它是这个宿主星系中最亮的恒星之一。
The progenitor was comparatively easy to find because it was one of the brightest stars in the host galaxy.
Ia型超新星如此之亮，以至于在几个星期内它的寄主星系的光芒也相形见绌。
Type Ia supernovae are so luminous that they outshine their host galaxies for several weeks.
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