Which characteristics describe a spiral galaxy? check all that apply.
is shaped like a pinwheel
has no new star formation
contains a lot of gas and dust
is smaller than other types of galaxies
has sites of active star formation within its arms

Answer

Correct Answer are

contains a lot of gas and dust

has sites of active star formation within its arms

is shaped like a pinwheel

explanation

Our Milky Way comes under the catagory of spiral type galaxy. As the name suggest the shape of this type of galaxy is spiral. It is one of the most common type galaxy.

Sprial galaxy has a region of star formation which is known as disc .Disc of spiral galaxy contains lot of gas and dust. The arms of disc of spiral galaxy is pinwheel-shaped.

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Explanation:

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explanation: