NASA, ESA, and M. Robberto (STScI)
The nebula's outermost layers of gas and dust appear as a grayish veil.
The grayish-colored gas that forms a prominent curve from lower left to
upper right can be thought of as the "rim" of a giant carved
bowl. Descending into the bowl, we encounter a plateau-like region (reddish
The bright central cavern takes us deeper yet. Called the Trapezium,
it is the home of the four most massive stars in Orion. The light
unleashed by these stars is carving a cavity around them and disrupting
the growth of less massive stars.
Above and to the left of the bright central cavity is another smaller,
bright region being sculpted by a young, massive star at its core.