PHYS6074: Overview of the atmosphere

What module is this?

• PHYS6074 Physics of the Upper Atmosphere

• PHYS6543 Physics of Ghostbusters

• LANG3210 Advanced Gibberish

• MATH6789 Partial Differential Integrations

In which of these layers of the atmosphere does temperature decrease with altitude?

• Stratosphere

• Mesosphere

• Thermosphere

• Exosphere

Which of these is photodissociation of ozone?

Approximately what altitude is the mesopause?

• 90 km

• 9 km

• 900 km

• 900 m

Why is radiative cooling not very effective in the upper thermosphere?

• Atoms are more common than molecules

• It's already very cold

• Pressure is too high

• Absorption of solar UV is too fast