Model of the sun in the "Sternstunden" exhibition in the <a href="https://en.wikipedia.org/wiki/Gasometer_Oberhausen" class="extiw" title="en:Gasometer Oberhausen">Gasometer Oberhausen</a>, Germany
<a href="//commons.wikimedia.org/wiki/User:H005" title="User:H005">H005</a>
2009-12-13
<span class="int-own-work" lang="en">Own work</span>