The image on the left is an annular solar eclipse, while the one on the right is a total eclipse. In an annular eclipse, the moon covers the center part of the sun, leaving a ring visible, while in a total eclipse, it covers the entire sun, allowing the faint solar corona to be seen.

Annular eclipse image by Smrgeog, used under CC BY-SA 3.0, via Wikimedia Commons. Total eclipse image by Luc Viatour, used under CC BY-SA 3.0, via Wikimedia Commons. Image comparison created with JuxtaposeJS by Northwestern University Knight Lab. Annular vs Total Solar Eclipse Comparison by Samuel Sloniker is licensed under CC BY-SA 4.0

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