According to this wikia, the Dyson's sphere discovered by the Enterprise in the episode, "Relics" was large enough to support the life of 4 million earth sized planets, if you do some rough math, ...
Maybe, Iain Banks orbitals with tens of billions people? Larry Niven's Ringworld was built not by humans... Any suggestions?
It's well known that because the gravitational attaction at one point on the inside of a hollow shell is zero, because it is cancelled by the attraction from all the other points on the interior. ...
I am working on a roleplaying campaign guide set inside a Dyson Sphere. It's a solid shell around a star like our own and is 300 million kilometers across centered on the star. The atmosphere hugs ...
I have heard the phrase hollow world several times, but seeing the question "Does the Song of Ice and Fire take place in a hollow world?," inspired me to finally Google the topic. This led to a TV ...
In the ringworld-novels of Larry Niven the author uses a giant ring around the sun as setting. The concept that is going more extrem in this direction is a Sphere around a sun. That concept is called ...