The center of our galaxy rises from the ocean late at night off the east coast of Sweden. The center of the Milky Way is the dense core of the galaxy, located about 25,000–28,000 light-years from Earth in the constellation Sagittarius. At its absolute center is the supermassive black hole Sagittarius A* (not visible in these photos, still under the sealine), which weighs about 4 million solar masses. The area is hidden behind thick space dust and is characterized by an extreme density of stars.
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