Colonists first found Roon by following the trail of the rainbow comets, which pierced the veil of the Cloak of the Sith and pass by Roon on a regular basis.

• “彩虹彗星”定期穿越“西斯之篷”飞过鲁恩，殖民者最初就是依靠尾随“彩虹彗星”而发现鲁恩的。