hydrogen and helium
Neptune's minor atmospheric gases are ethane and hydrogen deuteride. Its major gases are hydrogen, helium, and methane. Neptune's blue appearance is caused by the mixture of these gases.
The major gases in Neptune's atmosphere are hydrogen, helium, and methane. Hydrogen and helium are the most abundant gases, with methane making up a smaller but still significant proportion.
The Neptunes was created in 1990.
neptunes gravity is high
While Neptune is made of mostly hydrogen and helium, its atmosphere does include three other gases. Methane, hydrogen deuteride, and ethane make up just barely over 3 percent of the planet's atmosphere.
It was discovered in 1846.
gas
Hera & Zeus
triton
?
it is verydense but not really dense
THE NEPTUNES