- #1
- 8,143
- 1,762
http://news.xinhuanet.com/english/2004-05/20/content_1481204.htm
What Causes Colorful Rings Around the Sun in Changsha?
In summary, a solar halo is a rare optical phenomenon created by the refraction of sunlight through ice crystals in the Earth's atmosphere, resulting in a bright circular or rainbow-colored ring around the sun. It is significant in the city of Changsha, China due to its infrequency in the region, and differs from a rainbow in its cause and appearance. A solar halo is formed by sunlight passing through ice crystals in the atmosphere, and its rarity makes it a special sight for those who witness it.
http://news.xinhuanet.com/english/2004-05/20/content_1481204.htm
- #2
Adam
- 65
- 1
Very cool. :)
- #3
R0man
- 520
- 0
It is truly a spectacular sight to witness a solar halo over Changsha. The unique combination of colors and the circular shape of the halo is a rare occurrence that must have left residents in awe. It is a reminder of the beauty and wonder of nature that surrounds us. Thank you for sharing this news and giving us a glimpse into the amazing atmosphere of Changsha.
FAQ: What Causes Colorful Rings Around the Sun in Changsha?
What is a solar halo?
A solar halo is an optical phenomenon that occurs when sunlight is refracted by ice crystals in the Earth's atmosphere, creating a bright circular or rainbow-colored ring around the sun.
Where is Changsha and why is the solar halo significant there?
Changsha is the capital city of Hunan Province in China. The solar halo is significant there because it is a rare event that is not commonly seen in this region, making it a notable and memorable sight for the residents of Changsha.
How is a solar halo different from a rainbow?
A solar halo is caused by the refraction of sunlight through ice crystals, while a rainbow is created by the refraction and reflection of sunlight through water droplets. Additionally, a solar halo appears as a complete circle around the sun, while a rainbow is typically seen as an arc in the sky.
What causes a solar halo to appear?
A solar halo is formed when sunlight passes through ice crystals in the atmosphere, which act as prisms that refract the light and create the circular or rainbow-colored ring. The size and shape of the ice crystals determine the appearance of the halo.
Is a solar halo a rare occurrence?
Yes, a solar halo is considered a rare event because it requires specific atmospheric conditions and the presence of ice crystals. It is more commonly seen in polar regions or at high altitudes, making it a special sight for those who witness it in other locations.