How do scientists study distant galaxies?

Scientists study distant galaxies using a variety of methods such as telescopes, spectroscopy, and computer simulations. Telescopes, both ground-based and space-based, are used to capture images and data from distant galaxies. Spectroscopy allows scientists to analyze the light emitted by stars and gases in these galaxies, providing information on their composition and motion. Computer simulations are used to create models of galactic evolution and test theories about the formation and behavior of galaxies. These methods enable scientists to understand the properties and behavior of galaxies billions of light-years away, providing invaluable insight into the structure and evolution of the universe.

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