The spiky pattern observed in a photo of the moon’s far side might be attributed to several factors. One possibility is that the pattern is a result of lunar terrain features such as rugged mountains, crater rims, or other geological formations that create stark shadows in low sunlight conditions, giving the appearance of spikes or sharp outlines. Alternatively, if the photograph includes the edges of the moon or limb, optical artifacts such as lens flare or image processing artifacts could contribute to this effect. Spacecraft or satellite imaging systems are sometimes responsible for blemishes due to camera lens irregularities or enhancement effects during image processing.
It is also possible that the pattern is related to interference from cosmic rays or radiation affecting the camera sensor. Lastly, if the photograph is taken from Earth with powerful telescopes, atmospheric distortion or turbulence could play a part, though this is more common when observing more luminous celestial bodies. Analyzing the camera characteristics, imaging techniques, and additional photographs taken under similar conditions can help in conclusively determining the source of the spiky pattern.