Indoor Glory

Last updated on September 16, 2023

Indoor Glory: A Phenomenon in Atmospheric Optics

Have you ever experienced the breathtaking beauty of a glory indoors? This mesmerizing atmospheric optics phenomenon occurs when light interacts with tiny water droplets suspended in the air. While glories are commonly observed outdoors, they can also be witnessed in indoor environments under specific conditions. In this article, we will delve deeper into the captivating world of indoor glories and explore the fascinating science behind their formation.

The Science Behind Indoor Glories

Glories are optical phenomena that arise due to the diffraction and interference of light waves. When sunlight or any other source of light shines onto a cloud of small water droplets, such as those found in mist, fog, or even your breath, the droplets act as tiny spherical lenses. These lenses bend and scatter the incoming light, creating a circular ring of colors that surrounds the shadow of the observer. This colorful ring is known as a glory.

Unique Conditions for Indoor Glories

While glories are typically associated with outdoor settings, they can also occur indoors under certain circumstances. To witness an indoor glory, several conditions must align:

1. Light Source: There must be a bright light source behind the observer, such as a window or a lamp. This light serves as the illuminating beam that interacts with the water droplets.

2. Water Droplets: Tiny water droplets must be present in the air. These droplets can come from various sources, including exhaled breath, humidifiers, or even evaporating liquids.

3. Surface for Shadows: A surface is required for casting shadows. This could be a wall, a screen, or any other object that can intercept the light and create a visible shadow.

When these conditions are met, the magic of an indoor glory unfolds, transforming an ordinary indoor space into a spectacle of vibrant colors and ethereal beauty.

Michael Ellestad's Captivating Indoor Glory

One remarkable example of an indoor glory was captured by Michael Ellestad, an avid photographer and atmospheric optics enthusiast. Ellestad managed to photograph a stunning glory inside a cold barn, generated by the condensed droplets of his own breath. The central bright patch of sunlight in his image was emitted from an opening behind the camera, while the camera's shadow formed a dark oblong at the center of the glory. This captivating photograph showcases the delicate interplay between light, water droplets, and shadows that gives rise to the mesmerizing phenomenon of an indoor glory.

The Significance of Indoor Glories

Indoor glories not only captivate our senses but also serve as a reminder of the intricate interplay between light and matter. They offer a glimpse into the fascinating world of atmospheric optics, where the behavior of light and its interaction with particles can create awe-inspiring visual displays. By understanding the science behind indoor glories, we can gain a deeper appreciation for the natural phenomena that surround us and the beauty that lies within even the most ordinary spaces.

Exploring Atmospheric Optics Further

The study of atmospheric optics encompasses a wide range of captivating phenomena, including rainbows, halos, and mirages. Each of these optical marvels arises from specific interactions between light and atmospheric particles. By delving deeper into the field of atmospheric optics, we can unlock a wealth of knowledge about the behavior of light and its interaction with our environment.

Capturing Your Own Indoor Glory

If you're eager to witness an indoor glory for yourself, there are a few simple steps you can take to increase your chances:

• Find a location with a bright light source behind you, such as a window or a lamp.
• Create a mist or fog by using a humidifier or spraying water into the air.
• Position yourself in such a way that your shadow falls on a surface, allowing the glory to form around it.
• Observe the mist or fog and look for the circular ring of colors that indicate the presence of a glory.

By following these steps and experimenting with different lighting conditions and water droplet densities, you may be able to capture your very own indoor glory and witness the enchanting beauty that lies within the realm of atmospheric optics.

In conclusion, indoor glories are captivating optical phenomena that can transform ordinary indoor spaces into mesmerizing spectacles of color. By understanding the science behind their formation and exploring the field of atmospheric optics further, we can gain a deeper appreciation for the wonders of light and its interaction with our environment. So, the next time you find yourself in a misty room or surrounded by evaporating droplets, take a moment to look for the elusive beauty of an indoor glory.

Indoor glory

Michael Ellestad (atmospheric optics site) imaged this glory in a cold barn. It was generated by the condensed droplets of his exhaled breath.

The central bright patch of sunlight is from an opening behind the camera. The camera shadow is the dark oblong at the glory centre.

©Michael Ellestad, shown with permission.

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Reference Atmospheric Optics

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