Cover image for When is a planet not a planet? : the story of Pluto
Title:
When is a planet not a planet? : the story of Pluto
Author:
Scott, Elaine, 1940-
Personal Author:
Publication Information:
New York : Clarion Books, [2007]

©2007
Physical Description:
43 pages : illustrations (some color) ; 27 cm
Summary:
On August 24, 2006, a group of astronomers made a big announcement: Pluto could no longer be considered a planet. This book explains how advancements in technology have changed our understanding of the universe--and exactly how and why the number of planets in our solar system went from nine to eight.
Language:
English
Contents:
Introduction --The wanderers -- Some early astronomers -- Ideas that work--and those that don't -- Pluto's problems -- Finding planets -- What is a planet?
Reading Level:
980 Lexile.
Program Information:
Accelerated Reader/Renaissance Learning LG 6.6 1

Accelerated Reader AR LG 6.6 1.0 116718.

Reading Counts RC 3-5 6.5 4 Quiz: 41740.
ISBN:
9780618898329
Format :
Book