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

Responses

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

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

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

Its edges do not have clear boundaries.

User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
1 month ago

To characterize a nebula as diffuse means that **its edges do not have clear boundaries.** This is typically because diffuse nebulae consist of gases and dust that are spread out over a larger area, making them appear to blend into the surrounding space without sharp outlines.