This diagram illustrates, from left to right, the relative size of the Sun, α Centauri A, α Centauri B and Proxima Centauri.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Alpha_centauri_size.png" title="File:Alpha centauri size.png">Alpha_centauri_size.png</a>: <a href="//commons.wikimedia.org/wiki/User:RJHall" title="User:RJHall">RJHall</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Chrkl" title="User:Chrkl">chris</a> <a href="//commons.wikimedia.org/wiki/User_talk:Chrkl" title="User talk:Chrkl">論</a></li></ul>
CC BY-SA 3.0
<ul><li><a href="//commons.wikimedia.org/wiki/File:Alpha_centauri_size.png" title="File:Alpha centauri size.png">Alpha_centauri_size.png</a></li></ul>