Changes

|mdt=2200 a<ref name=calc>Calculated from observed present magnetic dipole moment and expected magnetic dipole moment at creation.</ref>

|mdt=2200 a<ref name=calc>Calculated from observed present magnetic dipole moment and expected magnetic dipole moment at creation.</ref>

|mhl=1525 a<ref name=calc/>

|mhl=1525 a<ref name=calc/>

}}'''Neptune''' is the eighth and farthest true [[planet]] from the [[sun]]. Long after its discovery, [[astronomy|astronomers]] had no notion of how remarkable Neptune would prove to be, until [[Voyager 2]] flew by Neptune in 1989.

}}

'''Neptune''' is the eighth and farthest [[planet]] from the [[sun]]. Long after its discovery, which was determined using mathematics, [[astronomy|astronomers]] had no notion of how remarkable Neptune would prove to be until [[Voyager 2]] flew by Neptune in 1989.

== Discovery ==

== Discovery ==