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The second Death Star appears in Return of the Jedi, and a similar superweapon, Starkiller Base, appears in The Force Awakens. Both the original and second Death Star were moon-sized and designed for massive power-projection capabilities, capable of destroying an entire planet with a 6.2×10 32 J/s power output blast from their superlasers. [15]
Straight out of 'Star Wars,' NASA discovers a real 'death star' ripping a planet apart ... shrinking down to 1/100th of their original size to roughly the size of Earth. This dead, dense star ...
Representative lifetimes of stars as a function of their masses The change in size with time of a Sun-like star Artist's depiction of the life cycle of a Sun-like star, starting as a main-sequence star at lower left then expanding through the subgiant and giant phases, until its outer envelope is expelled to form a planetary nebula at upper right Chart of stellar evolution
Nemesis is a hypothetical red dwarf [1] or brown dwarf, [2] originally postulated in 1984 [3] to be orbiting the Sun at a distance of about 95,000 AU (1.5 light-years), [2] somewhat beyond the Oort cloud, to explain a perceived cycle of mass extinctions in the geological record, which seem to occur more often at intervals of 26 million years.
Saturn’s Moon Mimas, known as the “Death Star”, has revealed a new secret. ... the researchers said they were able to infer the presence of a hidden ocean and estimate its size and depth.
The similarity between Mimas's appearance and the Death Star in Star Wars due to the large size of Herschel has often been noted, both in the press and in NASA/JPL press releases. [6] [7] This is a coincidence, however, as the crater's similarities were not discovered until 1980 after Voyager 1 gained line of sight, three years after the film ...
This is Mimas, the smallest of Saturn's major moons. Other than its giant impact crater, scientists thought Mimas was a rather boring piece of cold rock. Now, a new study says Mimas is much more ...
[159] [160] When the metallicity is very low, the minimum star size seems to be about 8.3% of the solar mass, or about 87 M J. [160] [161] Smaller bodies called brown dwarfs, occupy a poorly defined grey area between stars and gas giants. [159] [160] The combination of the radius and the mass of a star determines its surface gravity.