![]() ![]() ![]() Using the Smithsonian’s Submillimeter Array (SMA), the Atacama Large Millimeter/submillimeter Array (ALMA), and other telescopes, astronomers observe the hidden interiors of distorted galaxies to learn what the component galaxies looked like. Tracing the history of merging galaxies by studying their present structures. NASA's Chandra Finds Supermassive Black Hole Burping Nearby Researchers use NASA’s Chandra X-ray Observatory and other telescopes to look for bursts of activity driven by galactic collisions, including increased amounts of feeding by the supermassive black holes at the centers of the galaxies. Observing the effects of mergers on the stars and black holes in the interacting galaxies. ![]() Astronomers have discovered traces of that history in the form of streams of stars that were pulled from other galaxies, including the Magellanic Clouds and the Sagittarius dwarf galaxy.įarthest Stars in Milky Way Might Be Ripped from Another Galaxy Hunting for signs of mergers and cannibalism in the Milky Way’s past. Center for Astrophysics | Harvard & Smithsonian scientists study galactic mergers and interactions in many different ways: ![]()
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