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    • Stars in an Exoplanet World - NASA Science

      Stars in an Exoplanet World - NASA Science

      NASA· 1 day ago

      Stars are the most basic building blocks of galaxies. The age, distribution, and composition of stars trace the history, dynamics, and evolution of their...

    • In Depth - NASA Science

      In Depth - NASA Science

      NASA· 1 day ago

      An exoplanet, or extrasolar planet, is a planet outside of our solar system that usually orbits another star in our galaxy.