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Can a photon, from a source other than the sun, pass through the sun completely? In summary, does the sphere of the sun cast a shadow if there were a much brighter light source on the other side of it?

Ethan Davis Ethan Davis Oct 05, 2020 · 2 mins read
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The sun is often referred to as the ultimate source of light in our solar system, and rightly so. With its intense radiation, it illuminates everything around it and provides life-giving energy to our planet. But what if there were another source of light, stronger and brighter than the sun, on the other side of it? Would the sun cast a shadow, or would the light be able to pass right through it?

To understand the answer to this question, we need to first understand that light travels in straight lines. When a beam of light encounters an obstacle, it either reflects off of it, gets absorbed by it or passes through it. This is the fundamental principle that governs how light behaves, and it applies to all forms of light, including photons.

So, can a photon from a source other than the sun pass through the sun completely? The answer is yes, but it depends on the type of photon and the conditions inside the sun. The sun is essentially a giant ball of gas that is extremely hot and dense. The temperature at its core is estimated to be around 15 million degrees Celsius, which is hot enough to cause nuclear fusion. This means that the sun emits radiation across the entire electromagnetic spectrum, including visible light, ultraviolet light, and X-rays.

If a photon from a source other than the sun were to pass through the sun, it would need to travel through this intense radiation field. Depending on the energy level of the photon and the density of the gas in the sun, it may pass through the sun unimpeded or it may undergo multiple interactions with the gas particles, getting scattered or absorbed along the way.

So, does the sphere of the sun cast a shadow if there were a much brighter light source on the other side of it? The answer is also yes, but the shadow would be extremely faint and difficult to detect. This is because the sun is not a solid object that can block light like a wall or a barrier. Instead, it is a constantly changing mass of gas that is permeable to light.

In conclusion, a photon from a source other than the sun can pass through the sun completely, but the conditions inside the sun will determine whether it will be absorbed, scattered or pass through unimpeded. The sphere of the sun does cast a shadow, but it is so faint that it would be almost impossible to measure. The sun may be the most powerful source of light in our solar system, but it is not an impenetrable barrier to light from other sources.

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Ethan Davis
Written by Ethan Davis
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