User blog comment:High King Ithilion/The Ithilion Eleruth Collection/@comment-30079501-20170323185632/@comment-26149161-20170324012803

It was the same as our sun...

Besides the fact that Arien's vessel had all the properties of our sun, Tolkien later devised an alternate creation in which the Sun came before the Trees, and that the Trees held the light of the Sun before it was diminished.

Ithilion, Discussions Moderator (Auta i lome) 01:28, March 24, 2017 (UTC)