Cassiopeia (Pronounciation:Cas-see-o-pee-ah, Abbrev:Cas, Latin:Cassiopeiae) is a constellation, one of 88 constellations that the night sky is divided into. The sky is not divided up equally between the constellations. Cassiopeia takes up 598.407 sq. degrees of the night sky which equates to 1.45% of the night sky.
Out of the 10 years that Jackie Robinson played baseball, six of them were spent leading the Dodgers into the World Series and was a six-time All-Star. However, because he was already 28 when he entered the league, injury began to plague Robinson  forcing him to look down the road for other employment options.
Jack Roosevelt Robinson or Jackie Robinson as he is known was the first black person who was allowed to play in the Major League Baseball. This happened in 1947 when he debuted with the Brooklyn Dodgers as one of their players. Before that, a black person was only allowed to play in the Negroes Leagues.