May 2024
Spaceflight revolution on a shoestring
... large increase in the number of people travelling to space Proven jet engines are limited to a maximum speed of between Mach 2 ...technology, by adding rocket engines to take over from the jets for the later part of the lower stage trajectory. Because ...
24 January 2018
Scientists uncover common origin for ultrahigh-energy particles
...three high-energy phenomena could have a common origin; powerful jets from supermassive black holes. Using an astrophysical model – the ...the IceCube neutrino observatory in Antarctica. The high-energy jets that the cosmic rays shoot from at almost the...
July 2014
X-51A Waverider, hypersonics, and the potential of airbreathing engines
...a longlived engine that burns a petroleum-based jet fuel while surviving the intense heat and extreme...speed of an automobile and the 21st century at the speed of a jet aircraft. Each of these represents an order of magnitude increase in the ...
02 February 2016
First detected hot corino in Orion sheds light on low-mass star formation processes
... that COM emission could originate from the warm surface of embedded disks or shocked material along protostellar jets, as species such as acetaldehyde are known to be greatly enhanced in shocks as a result of grain mantle sputtering. The team states...
23 February 2016
Researchers probe black-hole mergers with fast-powered winds
..., with phenomena such as the afterglow emission of relativistic jets or strong disk winds in super-Eddington accretion disks have...details of the resulting high-energy GRB emission, a jet powered by the Blandford-Znajek (BZ) process could potentially...
11 October 2016
GRB afterglow observed by ALMA for the first time
... the GRB emission. The afterglow on the other hand is thought to originate from external shocks caused by the jet’s interaction with the interstellar medium (ISM). To properly determine the physical properties of GRB emission, a wide range...
