Why do the spikes that shoot out of stars form perfect crosses?

Why are stars pointy? (Diffraction spikes explained) - WonderDome

Taming the stars - Works in Progress

Why would the stars move in perfect circles instead of criss cross

I've been enjoying images from the James Webb telescope. Why do

Why do the spikes that shoot out of stars form perfect crosses? - Quora

Why are stars pointy? (Diffraction spikes explained) - WonderDome

Diffraction spike - Wikipedia

Webb Celebrates First Year of Science With Close-up on Birth of Sun-like Stars

How are stars formed, and how do they end up?

親子觀星會- 牛頓望遠鏡副鏡支架和星芒

What's the connection between the Pleiades (group of stars) and