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Relativity Space is developing manufacturing technologies, launch vehicles, and rocket engines for commercial orbital launch services. [ 4 ] The company is notable for manufacturing most of their Terran 1 and Terran R rocket parts using 3D printing. As of April 2024, Terran R is on track for initial launch in 2026.
On 12 April 2023, after the first flight of the Terran 1, Relativity Space CEO Tim Ellis announced that the rocket was no longer going to be further developed and focus would move to Terran R. [6] The new version of the rocket will have a maximum payload capacity of 23,500 kg (51,800 lb) to low earth orbit (LEO) with a fully reusable first stage, and 33,500 kg (73,900 lb) to LEO if fully expended.
126 kN (28,300 lbf) Propellant. LCH4 / LOX. [ edit on Wikidata] Terran 1 was an expendable two-stage small-lift launch vehicle developed by Relativity Space. Development began in 2017 and the rocket was retired in 2023. [ 2 ] Most structures and components of the vehicle are manufactured with 3D printing processes.
3D-printed rocket startup Relativity Space has raised a $650 million Series E, bringing its total raised to more than $1.2 billion. Relativity’s post-money valuation now stands at $4.2 billion ...
With this $140 million funding round, Relativity is fully funded to become the first company in the world to launch an entirely 3D printed rocket to orbit and enter commercial service in early 2021.
During the course of the development of the field of general relativity, a number of explicit metrics have been found which satisfy the Einstein field equations, a number of which are collected here. These model various phenomena in general relativity, such as possibly charged or rotating black holes and cosmological models of the universe. On ...
Robert H. Dicke. Robert Henry Dicke (/ ˈdɪki /; May 6, 1916 – March 4, 1997) was an American astronomer and physicist who made important contributions to the fields of astrophysics, atomic physics, cosmology and gravity. [ 1 ] He was the Albert Einstein Professor in Science at Princeton University (1975–1984). [ 2 ][ 3 ][ 4 ]
Leopold Infeld ( Einstein–Infeld–Hoffmann equations ), Richard Isaacson (energy–momentum complex), James A. Isenberg (initial value formulations, gluing construction), Werner Israel (no-hair theorem, tidal forces around black hole singularities, black hole interiors and mass inflation) J.