Why are Stars Star-Shaped?

What phenomenon causes stars to appear pointy when viewed from Earth?

• Refraction

• Reflection

• Diffraction

• Absorption

If light passes through a square-shaped aperture, what kind of diffraction pattern would be observed?

• Concentric rings

• A single straight line

• A four-pointed star

• A six-pointed star

What specific feature of the human eye's lens is responsible for the star-like appearance of distant light sources?

• The pupil's circular shape

• The retina's light-sensitive cells

• Suture lines in the lens

• The cornea's curvature

When light from a star is diffracted by the human eye, which color of light is spread out the most?

• Blue light

• Green light

• Yellow light

• Red light