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Proxima Centauri is the nearest star to Earth after the Sun, located 4.25 light-years away in the southern constellation of Centaurus. This object was discovered in 1915 by Robert Innes. It is a small, low-mass star, too faint to be seen with the naked eye, with an apparent magnitude of 11.13. Its Latin name means the 'nearest [star] of Centaurus'.
Astroneer, officially stylized in all caps, [1][2][3][4] is a sandbox adventure game developed from independent developer System Era Softworks. The game was released through early access in December 2016 before a full release on February 6, 2019. The player is tasked with colonizing planets, creating structures, and collecting resources.
Marty and Doc continue their plan, in which the Mr. Fusion unit will provide the power required to activate the flux capacitor and make the jump through time once the stolen locomotive and the DeLorean reach 88 mph. [5] Their plan is successful, and upon reaching the end of the track, the DeLorean disappears to 1985 with Marty, though Doc ...
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
Dyson sphere. A hypothetical depiction of a Dyson swarm surrounding a star. Freeman Dyson, the first scientist to explore the concept. A Dyson sphere is a hypothetical megastructure that encompasses a star and captures a large percentage of its solar power output. [1][2][3] The concept is a thought experiment that attempts to imagine how a ...
The W51 nebula in Aquila - one of the largest star factories in the Milky Way (August 25, 2020). Star formation is the process by which dense regions within molecular clouds in interstellar space, sometimes referred to as "stellar nurseries" or "star-forming regions", collapse and form stars. [1]
A matrioshka brain[1][2] is a hypothetical megastructure of immense computational capacity powered by a Dyson sphere. It was proposed in 1997 by Robert J. Bradbury (1956–2011 [3]). It is an example of a class-B stellar engine, employing the entire energy output of a star to drive computer systems. [4] This concept derives its name from the ...
In astrophysics, silicon burning is a very brief [1] sequence of nuclear fusion reactions that occur in massive stars with a minimum of about 8–11 solar masses. Silicon burning is the final stage of fusion for massive stars that have run out of the fuels that power them for their long lives in the main sequence on the Hertzsprung–Russell diagram.