Author(s): Elizabeth Rusch,Guy Francis
Format: Hardback
No. of Pages: 32
Publisher: Northland Publishing
Language: English
Date Published: 2007-11-01
Dimensions: 226.06 x 269.24 x 15.24mm
Publication City/Country: United States
Edition:
Illustrations:

Presents the life of astronomer Mike Brown, who discovered Quaoar and Eris, two orbiting objects similar in size to Pluto, a discovery which led to a redefinition of what makes an object a planet and a removal of Pluto from the list of planets.