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First Black Astronaut Woman

First Black Astronaut Woman Now

First Black Female Astronaut

First Black Female Astronaut Mae Jemison

First Black Hole Candidates

First Black Hole Discovered

First Black Hole Discovery

First Black Holes Found

First Black NASA Astronaut

First British Astronaut

First Chinese Astronaut

First Comet Landing NASA

First Commemorative Space Shuttle Launch

First Commercial Space Flight

First Design of Solar System

First Discovered Asteroid

First Discovered Black Hole

First Discovered to Be Outside of Milky Way Galaxy

First Discovery of Black Holes

First Ever Space Probe Launched in 1962

First Ever Space Shuttle Launch

First Exoplanet

First Exoplanet Discovered

First Female Astronaut