Draco constellation

Draco is a constellation in the far northern sky. Its name is Latin for dragon. It was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy and remains one of the 88 modern constellations today. The north pole of the ecliptic is in Draco. Draco is circumpolar and can be seen all year from northern latitudes. In Dragonheart, The Draco constellation is like a dragon heaven but the dragon has to do something that good for the human so the dragon can go to the Draco constellation if they die.
What am I learning? I am learning the symbols in Dragonheart.
How does this work show my learning? By knowing what the symbols mean in Dragonheart.
What am I wondering as a result of this learning?
Why is the Draco constellation looks more like a serpent than a dragon?