Wort Aeration Experiment: To aerate, or to not bother?

Both of these 6.5 gallon carboys were filled with the same wort: 11 gallons of american amber, all grain, full boil. Both received the same yeast, US-05, with same expiration date (same batch of yeast).
One of these carboys was aerated for 50 seconds at room temperature before the yeast was [...]