Noun
A hypothetical system of orbiting solar power satellites meant to completely encompass a star and capture its entire energy output.
(science fiction) A solid shell of matter enclosing a star.
Source: en.wiktionary.orgA Dyson sphere was a significant plot device in the Star Trek: The Next Generation episode "Relics". Source: Internet
Although the construction of such a massive inhabitable statite would be a gigantic undertaking, and the required material science behind it is early stage, there are other engineering feats and required materials proposed in other Dyson sphere variants. Source: Internet
A second type of Dyson sphere is the "Dyson bubble". Source: Internet
He proposed that a Dyson sphere could be a possible means: a shell or cloud of objects enclosing a star to absorb and utilize as much radiant energy as possible. Source: Internet
Dyson shell A cut-away diagram of an idealized Dyson shell, a variant on Dyson's original concept, with a radius of 1 AU The variant of the Dyson sphere most often depicted in fiction is the "Dyson shell": a uniform solid shell of matter around the star. Source: Internet
Since then, other variant designs involving building an artificial structure or series of structures to encompass a star have been proposed in exploratory engineering or described in science fiction under the name "Dyson sphere". Source: Internet