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What do supernova remnant and planetary nebulae have in common? Select the three correct answers.(2 points)

Responses

They have planets circling them.
They have planets circling them.

They emit non-visible radiation.
They emit non-visible radiation.

They are composed only of hydrogen and helium.
They are composed only of hydrogen and helium.

They are composed of matter from dying stars.
They are composed of matter from dying stars.

They contribute matter to interstellar space.
They contribute matter to interstellar space.

They are diffuse.

1 answer

The three correct answers that supernova remnants and planetary nebulae have in common are:

  1. They are composed of matter from dying stars.
  2. They contribute matter to interstellar space.
  3. They emit non-visible radiation.

These characteristics highlight the commonalities between these two types of astronomical phenomena.