Recently, skywatchers in the US, UK and Canada have discovered strange noctilucent clouds. To this day, their origin remains a mystery to mankind.
Clouds of blue and white light form in the middle stratum, where most of the meteors were burned down to Earth.
According to the US Space Agency (NASA), noctilucent clouds look like
NASA spacecraft spotted a giant glowing glowing cloud circle at night above the Antarctic sky.
Behind the bizarre beauty of clouds of dragon scales, nacre clouds, tsunami clouds ... are worrisome for people about the changing weather and climate.
In early November, people in a village in Xinjiang, China, shared on Weibo social network the image of a shining five-color cloud, looking like a dancing fairy.
A plasma physicist from the California Institute of Technology (Caltech) finally found the answer to the strange characteristics of noctilucent clouds, ending decades of mystery.
The glowing nocturnal clouds at night often appear in the extreme recently observed further south, to the United States.
Smoke from supernovae may be the cause of the glowing clouds on the earth's upper atmosphere.
An astronaut on the International Space Station (ISS) took a picture of the cloud flying above the Tibetan plateau on June 13, Livescience said. The lower layers of the atmosphere