This is the most active place in the universe

[Maha odeh]

According to Source: They discover a mega cluster of 14 galaxies that originated only 1400 years after the Big Bang

This is the most active place in this universe

 

[phyzguy]

According to Source: They discover a mega cluster of 14 galaxies that originated only 1400 years after the Big Bang

Make that 1400 million years after the big bang. Minor correction

 

[Chronos]

This is hardly more surprising than the discovery of ULAS J1342+0928, which is largely composed of neutral hydrogen, contains an 800 million solar mass black hole, and existed 690 million years after the BB as discussed here; https://arxiv.org/abs/1803.08105, Chandra X-rays from the redshift 7.54 quasar ULAS J1342+0928.
.