A planetary nebula is a(n) ____. Group of answer choices a shell of gas ejected by and expanding away from an extremely hot dying low-mass star a shell of gas ejected by and expanding away from an extremely hot dying high-mass star an expanding atmosphere of a low-mass star as it becomes a red giant a contracting shell of ionized interstellar medium absorbed by a dying low-mass star a contracting shell of dusty material from planets destroyed by a dying low-mass star

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taylortae8511 taylortae8511

17-06-2020
Physics

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A planetary nebula is a(n) ____. Group of answer choices a shell of gas ejected by and expanding away from an extremely hot dying low-mass star a shell of gas ejected by and expanding away from an extremely hot dying high-mass star an expanding atmosphere of a low-mass star as it becomes a red giant a contracting shell of ionized interstellar medium absorbed by a dying low-mass star a contracting shell of dusty material from planets destroyed by a dying low-mass star

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adeoladokun31 adeoladokun31 · Answer 1 · 2020-06-18T03:16:23+02:00

Answer: Planetary nebular is

A shell of gas ejected by and expanding away from an extremely hot dying high-mass star

An expanding atmosphere of a low-mass star as it becomes a red Giants.

Explanation:

Planetary nebular is a form of nebula emission that comprises an expanding and glowing shell of gas that is ejected from red giant stars.

Planetary nebulae play an important role in the chemical evolution of the Milky Way by expelling elements into the interstellar medium from stars where those elements were produced.