TY  - BOOK
AU  - Arny, Thomas T.,
AU  - Schneider, Stephen E. 
TI  - Explorations: an introduction to astronomy 
SN  - 9781260565898
AV  - QB 45.2 .A76 2020 
PY  - 2020///
CY  - New York, NY
PB  - McGraw-Hill
KW  - Astronomy.
N1  - Previous edition : 2017
ER  -