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This optical phenomenon, appearing on misty mountainsides, is called...

Side rainbow

Halo

Brocken spectre

Sun Dogs

A Brocken spectre or mountain spectre, is the apparently enormous and magnified shadow of an observer, cast upon the surfaces of clouds opposite the sun. The head of the figure is often surrounded by the glowing halo-like rings of a glory—rings of coloured light that appear directly opposite the sun when sunlight meets a cloud of uniformly-sized water droplets. The phenomenon can appear on any misty mountainside or cloud bank.

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Grelibre.net wikipedia → Brocken spectre

mountainsoptics

Optics quiz Mountains quiz

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Answers by country

the Netherlands

13%

13%

73%

0%

15

Australia

0%

27%

68%

4%

22

Canada

13%

6%

60%

20%

15

the United Kingdom

6%

39%

44%

7%

76

Poland

11%

36%

43%

9%

2628

Austria

5%

41%

39%

14%

56

the United States

10%

39%

37%

10%

83

India

20%

29%

34%

13%

72

Greece

13%

46%

33%

6%

15

Germany

14%

42%

23%

17%

321

Republic of Ireland

15%

46%

23%

15%

13

the Philippines

9%

72%

18%

0%

11

Switzerland

6%

72%

12%

10%

50

Which area is brighter?

Both are the same

It depends on the order of seeing

Why do cats have vertical pupils?

to have sharper vision

to better see in the dark

to be more attractive

it is a useless mutation

The bright circle around the Sun seen in the picture is known as a halo. What causes it?

refraction of light in ice crystals

refraction in the lens of the eye or lens

refraction of light in water drops

reflections from the water surface

The brown and white color of Panda is:

sign of the disease

subspecies feature