Mother-of-pearl clouds inside the stratosphere
Students project of Earth to Sky Calculus January 22 were in the Arctic circle, in preparation for the launching of balloons to study cosmic radiation.
Students project of Earth to Sky Calculus January 22 were in the Arctic circle, in preparation for the launching of balloons to study cosmic radiation.
Solar halo is a ring around the light source, formed by the refraction of light by ice crystals in the clouds.
February 1, the day the people noticed the white circles painted on the sky. As it became known IRK.ru circles made su-30 within the framework of the test flight of "Air combat".