In the depths of the universe, like a dream weaver, nebulae tell the ancient story of the universe with their unique textures and colors. The mysterious nebula shown in Figure 1 is breathtaking in the complexity of its internal structure.
Observers have wondered how such a nebula is formed. And how is the energy inside it released? As technology advances, we may be able to unravel some of these mysteries.
However, the nebula's explosive changes are also elusive. At times, it may seem serene and peaceful, but in the next instant it can erupt into a violent process of star birth or explosion.
Although our understanding of nebulae is growing, their behavior remains somewhat unpredictable. Perhaps it is this uncertainty that makes the path of exploration of the universe so endlessly fascinating.