Which Came First, the Galaxy or the Black Hole?
At the heart of every galaxy like our own Milky Way lies a supermassive black hole, but scientists are unsure which develops first.
![](https://bigthink.com/wp-content/uploads/2010/10/origin-261.jpg?w=480&h=270&crop=1)
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Every Wednesday Michio Kaku will be answering reader questions about physics and futuristic science. If you have a question for Dr. Kaku, just post it in the comment section below and check back on Wednesdays to see if he answers it.
Today, Dr. Kaku addresses a question posed by Andy Speight: Are the supermassive black holes at the center of galaxies involved in the formation of those galaxies?
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