Neptune Today

: Neptune is the eighth and most distant planet from the Sun. It is an "ice giant," characterized by a thick atmosphere of hydrogen, helium, and methane, which gives it a vivid blue color.

: It was the first planet discovered through mathematical predictions rather than direct observation. Quick Facts : Distance : Over 30 times farther from the Sun than Earth. neptune

: The Romans celebrated Neptunalia every July to pray for water during summer droughts. Technology & Software : Neptune is the eighth and most distant planet from the Sun