The Milky Way takes around two million years to complete one - TopicsExpress



          

The Milky Way takes around two million years to complete one revolution, pretty much in the same way planet Earth takes one year to revolve around the spinning Sun. Not only does the Sun revolve on its axis but, being a big ball of gas, it is fluid and consequently revolves at different speeds in different places. blog.seattlepi/bigscience/2014/10/27/earth-is-being-blasted-by-solar-flares-largest-active-region-since-1990/#20982101=5
Posted on: Tue, 28 Oct 2014 17:13:56 +0000

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