Li explained the phenomenon: strange circular halo around the Sun.
sun halo is an optical phenomenon that rarely occurs in nature and is not a circular rainbow as many people think. in fact, the brilliant halo around the sun occurs when light is3 super computers create eclipse eclipses that help you preview the total eclipse tonight
vietnamese astronomers will have to wait until 11pm tonight (august 21) to admire the phenomenon of total transcontinental solar eclipse in the us on facebook. but if we don't