The moon sometimes looks like it has a ring around it because of tiny ice crystals in the sky. Imagine snowflakes floating high up, acting like little prisms that bend and spread out the light from the moon. This makes the moon look surrounded by a soft glow or a bright circle, like a halo.
Examples
- You see a ring around the moon while walking home from school on a chilly day.
Ask a question
See also
- What Causes the Northern Lights?
- How Does a Mirror Work Exactly?
- How Does Gravity Affect the Moon’s Orbit?
- What Causes a ‘Golden’ Sunset or Sunrise?
- How Does Gravity Affect Space Travel?
Discussion
Recent activity
Categories: Physics · optics,atmosphere,light refraction