Ionization from the ____ in the Orion Nebula makes it glow.
A) planets
B) coolest stars
C) hottest stars

Question

Quizplus · Accepted Answer

The Orion Nebula is a giant cloud of gas and dust where new stars are being born. The ultraviolet radiation from the hottest, most massive stars in the nebula ionizes the gas, causing it to glow. This ionization process is known as photoionization. Planets and cool stars do not emit enough energy to cause ionization in the nebula.

Ionization from the ____ in the Orion Nebula Makes It