Renna Amelia Selviana

Hello! Now, I will tell you about one of the natural phenomena in the world. What is that? That is Halo. Halo produced by sunlight interacting with ice crystals suspended in the atmosphere. It usually appears near the Sun or the Moon, street lighting, and sometimes on the surface of the earth. In general, it's caused by the presence of ice crystals in cold cirrus clouds that are already at an altitude of 5 to 10 km above the troposphere. What is the process of the occurrence of the halo phenomenon? The halo phenomenon begins with the presence of sunlight because the light is the subject of this phenomenon. Then the sun is refracted by the rod-shaped or prism-shaped ice surface. And sunlight breaks into several colors due to the effect of air dispersion. The sun's fragments are reflected in a certain direction and become a ring of light around the sun.  Sometimes halo can appear near the surface of the earth when there are ice crystals called diamond dust and this

From : Renna Amelia Selviana Biology Teacher SMA 3 Bandung To : Head of Management Department Technical University of Munich German It is my pleasure and honor to recommend Vira Nurul Sayidah for your annual scholarship. I have known Vira Nurul Sayidah for 3 years and was delighted to serve as her teacher at SMA 3 Bandung. After reading through the criteria of the scholarship, I strongly believe that you would struggle to find a student more deserving and more in need of it than Vira Nurul Sayidah. On a personal level, Vira is a young woman of strong character who fully embodies all the traits you look for in potential candidates. She joins the scout team since elementary school, so she has basic environmental knowledge. She is a student who has a great interest in environmental problems. She has so many qualities that give me confidence to recommend her for your scholarship program, and I know it well that she will make it worthwhile and it will add a new starto the flag