...reaction, so-called ‘pions’, are channelled via a magnetic nozzle to generate thrust. This antimatter propulsion concept is called ‘beamed core’ antimatter propulsion. The exhaust velocity of the pions would be about 100,000 km/s. However, the thrust...
... a sub-scale AIE discharge chamber (40 cm outside dia.) was designed, fabricated, and tested under conditions simulating beam extraction. Highly-uniform (within 10% of the mean) azimuthal and radial discharge plasma were observed at all conditions...
...requires an array telescope with multiple, electronically pointed phased-array beams in order for it to be accomplished in the next..., focused on the light sail, would use its directed energy beam for up to ten minutes to accelerate it to 60,000 km/sec...
...and uses some means of momentum exchange (e.g. ion or laser beams) to gradually change the target debris’ orbit. One major ...proximity manoeuvres by the remover/servicer spacecraft. Ion-beam shepherd The guidelines have not always been followed ...
... using lower frequencies. The principal benefit of HTS is frequency re-use through the use of spot beams. With a conventional satellite, a global beam is spread out over a wide area, possibly covering a whole continent, but this means that...
... nebulae. The double-peaked profile could arise because the telescope beam does not cover the whole planetary nebulae, meaning that the beam size of the telescope is smaller than the size of the planetary nebulae...