Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: Which statement is the best description of the Milky Way galaxy?
a group of stars, dust, and planets held together by gravity
The Milky Way is a barred spiral galaxy with a central bar and spiral arms.