What does it mean to characterize a nebula as diffuse?(1 point)

Question

Responses

Its edges do not have clear boundaries.
Its edges do not have clear boundaries.

It reflects only visible radiation.
It reflects only visible radiation.

Its edges have clear boundaries.
Its edges have clear boundaries.

It reflects only non-visible radiation.

Answer 1

To characterize a nebula as diffuse means:

Its edges do not have clear boundaries.

This response accurately describes a diffuse nebula, which is generally spread out and lacks distinct edges compared to more defined structures in space.