Galle and d’Arrest identify Neptune at Berlin Observatory
On September 23, 1846, Galle and d’Arrest identified Neptune at Berlin Observatory.
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The Event
On September 23, 1846, Galle and d’Arrest identified Neptune at Berlin Observatory.
The Scientific Context
They found the planet near the position predicted by Urbain Le Verrier from irregularities in Uranus’s motion.
Observation and interpretation
The instruments or material evidence made the finding possible. The observation, its interpretation and the public announcement may fall on different dates.
Reading the Historical Record
The linked chronology identifies the date; the event or subject reference gives further context. The date refers to the milestone described above.
About the Historical Recreation
The proposed visual shows the relevant observatory, field site or workroom with appropriate period instruments; no invented data presented as authentic. It is an AI illustration, not archival footage or an eyewitness record.
Sources
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