In the early universe, there was a huge amount of swirling matter and light that didn’t really have much structure.  Compared to today’s much more regular dotting of galaxy clusters and superclusters, the early universe was all over the place.  But as will all things, there had to be a first.  a first star, a first galaxy, and even a first galaxy cluster. The massive cluster of galaxies known as IDCS J1426.5+3508 is the most distant massive galaxy cluster ever discovered, and it has some interesting properties that point to how it formed and evolved so quickly.  One such property is...