What characteristic defines refractory materials found in the nebula?

Answer

They have very high melting points

Refractory materials are defined as substances with very high melting points, such as silicates and metallic iron and nickel, which condensed earliest near the center.

What characteristic defines refractory materials found in the nebula?

#Videos

What Was The Composition Of The Solar Nebula? - Physics Frontier

Spaceastronomycompositionsolar systemsolar nebula