The Henry Draper Catalog
de Annie Jump Cannon, Edward Charles Pickering
Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
Ediciones (1)
- The Henry Draper Catalog (1918)
The Observatory
de Annie Jump Cannon, Edward Charles Pickering
Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
The Observatory
