TY  - BOOK
AU  - Palen, Stacy
AU  - Blumenthal, George
AU  - Kay, Laura
AU  - Smith, Brad
TI  - Understanding our universe
SN  - 9780393912104
U1  - 520 
PY  - 2012///
CY  - New York
PB  - W.W. Norton & Co.
KW  - ASTRONOMY
KW  - PLANETS
KW  - UNIVERSE
ER  -