This [1] Wikipedia article explains the concept, and also refers to a science fiction novel.<p>[1] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Dyson_sphere" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Dyson_sphere</a>