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Vulcan in a lithographic map from 1846 [1] Vulcan (/ ˈ v ʌ l k ən /) [2] was a proposed planet that some pre-20th century astronomers thought existed in an orbit between Mercury and the Sun. Speculation about, and even purported observations of, intermercurial bodies or planets date back to the beginning of the 17th century.
Vulcan Centaur VC4L [13] Cape Canaveral, SLC‑41: SSC Demo-1 (Dream Chaser Tenacity) LEO NASA First flight of Dream Chaser. Maiden flight of the Vulcan Centaur VC4L configuration. Q3 2025 [18] Vulcan Centaur VC2S Vandenberg, SLC‑3E: SDA T1TR-B LEO: SDA: Tranche 1 Tracking Layer B missile tracking satellites. Q3 2025 [18] Vulcan Centaur VC2S
With a single core and six GEM boosters, the Vulcan Centaur can lift 27,200 kilograms (60,000 lb) to low Earth orbit (LEO), [25] surpassing the Atlas V's maximum of 18,850 kg (41,560 lb) with a single core and five GEM boosters, [26] and approaching the 28,790 kg (63,470 lb) capacity of the three-core Delta IV Heavy.
A test device exploded on the test stand during 2015 during powerpack testing. Blue Origin built two larger and redundant test stands to follow, capable of testing the full thrust of the BE-4. [19] In January 2016, Blue Origin announced that they intended to begin testing full engines of the BE-4 on ground test stands prior to the end of 2016. [20]
The RL10 is a liquid-fuel cryogenic rocket engine built in the United States by Aerojet Rocketdyne that burns cryogenic liquid hydrogen and liquid oxygen propellants. Modern versions produce up to 110 kN (24,729 lb f) of thrust per engine in vacuum.
Schematic diagram of the orbits of the fictional planets Vulcan, Counter-Earth, and Phaëton in relation to the five innermost planets of the Solar System.. Fictional planets of the Solar System have been depicted since the 1700s—often but not always corresponding to hypothetical planets that have at one point or another been seriously proposed by real-world astronomers, though commonly ...
Vulcan statue, the world's largest cast-iron statue and the city symbol of Birmingham, Alabama, US; Vulcan, an EP by Snake River Conspiracy; Vulcan, an album by Chris Wood; Vulcan Raven, a character in the Metal Gear Solid video games; Aegis Vulcan, a spaceship in the Star Citizen video game "Vulcan Bomber", a song by Nebula from the 1998 EP ...
The name "Vulcan" has been used for various other fictional planets, in and out of the Solar System, that do not correspond to the hypothetical planet Vulcan, which was theorized by Urbain Le Verrier to orbit the Sun closer in than Mercury. The planet Vulcan in the Star Trek franchise, for instance, is specified as orbiting 40 Eridani A.