Just to clarify a concept here: there are no pictures of the Milky Way other than the ones taken from within the Solar system, and they all look somewhat like this:
Everything else you see are artists' depictions of the Milky Way based on the latest research. This is the currently most accepted shape:
i.e.: a spiral galaxy with four main arms.
There is an ongoing discussion about whether our Galaxy is made up of four arms or just two. See for example: Vallée (2014), which sadly is not available online :(
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