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The Orbital Sciences X-34 was intended to be a low-cost testbed for demonstrating "key technologies" that could be integrated into the Reusable Launch Vehicle program. It was intended to be an autonomous pilotless craft powered by a " Fastrac " liquid-propellant rocket engine, capable of reaching Mach 8 and performing 25 test flights per year.
Vela X-1 is a pulsing, eclipsing high-mass X-ray binary (HMXB) system, associated with the Uhuru source 4U 0900-40 and the supergiant star HD 77581. The X-ray emission of the neutron star is caused by the capture and accretion of matter from the stellar wind of the supergiant companion. Vela X-1 is the prototypical detached HMXB.
Hercules X-1. Hercules X-1 (Her X-1), also known as 4U1656+35, is a moderately strong X-ray binary source first studied by the Uhuru satellite . It is composed of a neutron star accreting matter from a normal star (HZ Her) probably due to Roche lobe overflow.
None. X-1 (or SS X-1) [ 1] was a United States Navy Midget Submarine designed under project SCB 65. Laid down on 8 June 1954, at Deer Park, Long Island, New York, by the Engine Division of Fairchild Engine and Airplane Corporation. Launched on 7 September 1955, at Oyster Bay, Long Island, by Jakobson Shipyard. Delivered to the Navy on 6 October ...
Aurora Flight Sciences embarked on the development of an experimental X-plane, as part of the DARPA's CRANE programme, in November 2020. Wind tunnel testing was also conducted in San Diego, California, in May 2022. DARPA allocated funds for the detailed engineering design of a full-scale X-plane in December 2022.
2 [ 1] The McDonnell Douglas (later Boeing) X-36 Tailless Fighter Agility Research Aircraft was an American stealthy subscale prototype jet designed to fly without the traditional empennage found on most aircraft. This configuration was designed to reduce weight, drag and radar cross section, and increase range, maneuverability and survivability.
Rockwell X-30. The Rockwell X-30 was an advanced technology demonstrator project for the National Aero-Space Plane ( NASP ), part of a United States project to create a single-stage-to-orbit (SSTO) spacecraft and passenger spaceliner. [ 1] Started in 1986, it was cancelled in the early 1990s before a prototype was completed, although much ...
The graph forms a rectangular hyperbola. In mathematics, a multiplicative inverse or reciprocal for a number x, denoted by 1/ x or x−1, is a number which when multiplied by x yields the multiplicative identity, 1. The multiplicative inverse of a fraction a / b is b / a. For the multiplicative inverse of a real number, divide 1 by the number.