it does not have air because it is made up of gases
The Neptunes was created in 1990.
yes it is
Yes, they are very similar.
neptunes gravity is high
At high altitudes, Neptune's atmosphere is 80% hydrogen and 19% helium.
hydrogen and helium
It was discovered in 1846.
gas
Hera & Zeus
triton
?
it is verydense but not really dense