Tag: type Ia supernova
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How a trickster galaxy fooled us into thinking a supernova was too bright
Supernovas can be the brightest objects in the whole Universe, sometimes even outshining whole galaxies at their brightest moments. When one pops up that seems too bright, that really can be a cause for head-scratching. Such was the case for supernova PS1-10afx: based on its measured distance from Earth, it was 400 times brighter than…
Galileo's Pendulum 