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Blazing hot sun had a huge halo formed around it. by Dr. Nitish Priyadarshi On Sunday, Ranchi people witnessed a spectacular natural phenomenon in the sky. The blazing hot sun had a huge halo formed around it. City people and those in the outskirts watched in wonder as the giant ring, also referred to as 22° halo, was visible around the sun for over an hour in the afternoon. While many braved the summer heat to climb to rooftops to take photographs of the halo, it also caused panic in some. Apart from the state capital, other cities across the state like Jamshedpur, Hazaribag and Dhanbad also witnessed the phenomenon. Halos are rings of light that can encircle the sun or the moon, and they usually occur when a thin layer of cirrus clouds are present in the sky. Most halos appear as bright white rings but in some instances, the dispersion of light as it passes through ice crystals found in upper level cirrus clouds can cause a halo to have color. A halo (also known as a nimbus , iceb...

Is it a dust pollution or some biological or organic charged particle? by  Dr. Nitish Priyadarshi  Two orbs are seen in the above picture. The term orb describes unexpected, typically circular artifacts that occur in flash photography—sometimes with trails indicating motion—especially common with modern compact and ultra-compact digital cameras. Many people capture illuminated, circular spots in their photographs. These spots are commonly known as orbs. Having been a photographer for 30 years, I’ve experienced all kinds of flaws, defects and other apparitions on my negatives and now digital images.  Most have been identified or at the least, understood to be some kind of image pollution ranging from light leaks, lens flares, dust, fog or other type of atmospheric condition.  Since the advent of digital imaging however, there is a new phenomenon called “orbs” that are appearing in increasing numbers on many photographer’s images today. I started to become aware of ...