The Sun is surrounded by a rainbow-like halo, appearing from 10:30 to 14:00 in many Southeast provinces.
The moment the ice crystal floats in the air creating a halo effect around the Sun that enters the photographer's lens in the Alps.
We may have heard a lot about rainbows but the phenomenon of rainbows appearing around the Moon in Turin, Italy in 2014 was unprecedented.
Many localities in Quang Nam province can easily observe the halo phenomenon surrounding the sun.
Scientists may have explained the long-standing mystery of the origin of the energy particles creating polar halo at dawn.
Using ESO's Very Large telescope, international astronomers detect ionizing halo around planetary nebula IC 5148.
The Swiss team discovered 19 quasars that have surround halo, contrary to predictions in previous models.
For the first time, astronomers have captured images of a rainbow effect on another, extraterrestrial planet.
The halo appears when sunlight refracts through the cirrus clouds at an altitude of nearly 6,100 meters above the ground.
The universe, nature always contains mysteries without answers. There are frequent phenomena but there are very unique phenomena that must be very lucky, you have the opportunity