How majestic, David says, is Your name! The majesty of God is revealed in His creation, and one of His names is Creator.
Now put yourself in the psalmist's place. He is standing out, maybe shepherding a flock of sheep, and the starry heavens are making a beautiful canopy above his head - an awesome and spectacular showcase of the majesty of God! Night after night, this is rehearsed. As Psalm 19:4 says, Their line has gone out through all the earth.
Every night we have the opportunity (except maybe here in Smogville) to look up into those starry heavens and see a spectacular reminder of the greatness of the God that we worship. And it is rehearsed night after night. Day and night - on and on, year after year. And we have to wonder how often we stop to take this into mind, and put it into perspective, the way the psalmist did here.
What is also implied, in this same context, is that the same glory of that same God is equally shown on the earth, as well. So we have, day and night, an awesome display of the power and the majesty of our God. What else do we see there, besides power and majesty? We see order. Awesome beauty that is constantly changing and shifting - so that no two sunsets are ever exactly alike.
We see loving providence, as He provides for His creation every day. Awesome wisdom as everything is balanced and in harmony - except where man has gotten things disharmonious. We see reason and logic, and we see vastness of thinking - of this great God that we worship.