Compute the pressure scale height H = (ARI) on Earth for a temperature T=300 K and the following gases: ug • H2 with u = 2. • He with u = 4 • Methane (CH4) with u = 16 • N2 with u = 28 • 02 with u = 32 If the pressure scale height is greater than about 10 km, the gas leaks into outer space. Can you understand then why Earth's atmosphere is dominated by N2 and O2? Why can Jupiter have an atmosphere with H2 and He?
Compute the pressure scale height H = (ARI) on Earth for a temperature T=300 K and the following gases: ug • H2 with u = 2. • He with u = 4 • Methane (CH4) with u = 16 • N2 with u = 28 • 02 with u = 32 If the pressure scale height is greater than about 10 km, the gas leaks into outer space. Can you understand then why Earth's atmosphere is dominated by N2 and O2? Why can Jupiter have an atmosphere with H2 and He?
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Transcribed Image Text:Compute the pressure scale height H = (NARI)
on Earth for a temperature T=300 K and the following gases:
ug
• H2 with u = 2.
• He with u = 4
• Methane (CH4) with u = 16
N2 with u = 28
• O2 with u = 32
If the pressure scale height is greater than about 10 km, the gas leaks into outer space. Can you understand then why
Earth's atmosphere is dominated by N2 and O2? VWhy can Jupiter have an atmosphere with H2 and He?
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