00754    a2200193   4500001000700000020001800007040003200025100002000057245005000077300000800127362000900135490003900144520024400183650002300427650002700450650001900477650002500496650003900521127487  a9780779166930  cEscola Canadense de Niteroi  aBortolotti, Dan10aGuided Reading: What makes a planet a planet?  bil.0 a20070 aLiteracy Place for the early years  aGuided Reading Level: R
For many years, scientists used the same definition for what a planet is. After the discovery of a shiny object at the edges of the solar system, everything changed, including the definition of what makes a plantet. 4aTeacher's Research 4aEducation and Teaching 4aGuided Reading 4aEducation, Bilingual 4aEducational tests and measurements