The Trapezium
The Orion Nebula
The 4 trapezium stars: Brightest, very young (less than 2 million years old) stars in the
central
region of the Orion nebula
Infrared image: ~
50 very young, cool, low-mass stars
X-ray image: ~
1000 very young, hot stars
Only one of the trapezium stars is hot enough to ionize hydrogen in the Orion nebula
