Skip to Main Content

Skip Nav Destination

Article navigation

Essay| May 01 1930

Discovery of the Ninth Planet

Watson Davis

Watson Davis

Managing Editor, Science Service, Washington

Search for other works by this author on:

PubMed

Google Scholar

Current History (1930) 32 (2): 337–340.

https://doi.org/10.1525/curh.1930.32.2.337

You do not currently have access to this content.

Don't already have an account? Register

You could not be signed in. Please check your email address / username and password and try again.