The Neptune Correspondence database

This is a summary of over 400 letters relating to the discovery of the planet Neptune, covering the period 1834-1876, and compiled by Nick Kollerstrom.

AdamsLe VerrierAiry

To search the database, fill out the form below and press the "Search" button. All fields are optional.

Letter from: Letter to:


Enter desired date range, if any:
Starting date (format YYYY-MM-DD):
Ending date (format YYYY-MM-DD):

Keywords (separate by commas):

No correspondence found that meets your selection criteria

Hosted by DIO, the International Journal of Scientific History