Atmospheric Optics Flashcards
Why are clouds white?
The scattering of sunlight on cloud water vapor droplets
Scattering
Why is reflected in all directions
Why are skies blue?
The scatter of sunlight on oxygen and nitrogen molecules
What is an Aurora?
Charge solar particles interact in upper atmosphere
Reflection
Light is bounced off a surface at the same angle it strikes the surface
What is the red sun?
Scatter of sunlight at low Ingles to the horizon
Refraction
Light is spent as it passes through a substance
What is the rainbow?
Refraction of sun through water droplets if sun is to our backs
Where do you see a world where occur?
Polar regions and sub polar regions
When does the aurora occur?
Winter months near the peak of the 11 year sunspot cycle
Is the sun halo?
Three fraction of sunlight through high altitude ice crystals
What is the Mirage?
Objects image shifted due to reflecting light at hot temperatures