- They are composed of matter from dying stars.
- They emit non-visible radiation.
- They contribute matter to interstellar space.
What do supernova remnant and planetary nebulae have in common? Select the three correct answers.(2 points)
Responses
They are composed only of hydrogen and helium.
They are composed of matter from dying stars.
They emit non-visible radiation.
They contribute matter to interstellar space.
1 answer