When is a planet not a planet? : the story of Pluto

Scott, Elaine

Notes
Table of contents: The wanderers -- Some early astronomers -- Ideas that work, and those that don't -- Pluto's problems -- Finding planets -- What is a planet?
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.

Librarian's Miscellania
Elaine Scott
location volume edition bar code due date
National Library 31111018459261
not for issue
dewey:523.49
call #:SCO
ISBN:9780618898329
pub:2007