Question

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

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

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

It reflects only non-visible radiation.
It reflects only non-visible radiation.

It reflects only visible radiation.

Answer 1

To characterize a nebula as diffuse means that **its edges do not have clear boundaries.**