Neptune discovered
Date as reported
Johann Galle observed Neptune after its position had been predicted from planetary-motion calculations.
- Category
- Discoveries and Scientific Results
- Type
- Discovery
- Organization
- Johann Galle
- Participants
- Johann Galle
- Destination
- planet
- Target body
- Neptune
Sources and attribution
- NASA HEASARC — 1800–1899 (opens in a new tab) — Factual summary; source attribution retained.