[Answer] What’s causing this rainbow-like arc around the sun?

Microsoft Rewards Bing Homepage Quiz [1-30-2022] Question: What’s causing this rainbow-like arc around the sun?

The given options are as follows:

  • Ice crystals
  • A special camera lens
  • Solar flares

The correct answer is: Ice crystals

Fact: Halos can occur when ice crystals suspended in the air refract light into a colorful ring around the bright sun. That’s what’s happening in the cold atmosphere here in the Ore Mountains along the Czech-German border. Ready to make some snow angels to match?


Today’s [1-30-2022] “Microsoft Rewards Bing Homepage Quiz” has three questions related to the sun and rainbow. Each question has only one correct answer and carries one point. The wrong answer does not earn any points. So, select only the correct answers.

All three questions of today’s Bing Homepage Quiz are the followings:

  1. What’s causing this rainbow-like arc around the sun?
  2. When airborne ice crystals are near the ground they’re often called by what name?
  3. When a halo like this appears, it’s often accompanied by a pair of bright spots to the left and right. What are these called?

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