Answer to Question #173613 in Astronomy | Astrophysics for ANJU JAYACHANDRAN

Question

2e) What are the characteristic features of the H II region of ISM? How is it different

from the molecular cloud?

Answer 1

Answer:-

We know that that An H II region region is a region of interstellar atomic hydrogen which is ionized. It is a type of a cloud of partially ionized gas in which the star formation has recently been taken place , with being a size range from one to hundreds of light years , and density range from a few to about a million particles per cubic cm.