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...oton rockets are proposed to be powered by onboard generators, as in the [[nuclear photonic rocket]]. The standard textbook case of such a rocket is the ideal ...sically separated and the photons are beamed from the photon source to the spacecraft using lasers. However, BLP is limited because of the extremely low thrust ...

...d magnetic [[Plasma (physics)|plasma]] confinement to support controlled [[nuclear fusion]] experiments. Specifically, STX pioneered the possibility of formin == Relevance to spacecraft propulsion == ...

== Nuclear thermal rocket == {{main|Nuclear thermal rocket}} ...

{{Short description|Type of nuclear thermal rocket}} {{distinguish|Nuclear pulse propulsion}} ...

...alf of the journey the propulsion system would constantly accelerate the [[spacecraft]] toward its destination, and for the second half of the journey it would c Constant-thrust and constant-acceleration trajectories both involve a spacecraft firing its engine continuously. In a constant-thrust trajectory,<ref>W. E. ...

...space|power plants]], [[Spacecraft propulsion|propulsion]] or [[Spacecraft|spacecraft systems]] in space. An advanced or future space mission must have a power source or propulsion that will require the rejection of waste heat. ...

{{short description|Space exploration using nuclear energy}} [[File:Kiwi A fire-up.jpg|thumb|The [[Project Rover#Kiwi A|Kiwi-A Prime]] nuclear thermal rocket engine 1960 test at [[Jackass Flats]], Nevada.]] ...

| field = Atomic and nuclear experimental and theoretical physics ...ing comet or asteroid collisions with Earth and on interstellar spacecraft propulsion. ...

...pace]], [[weaponry]], [[communications]], [[Information technology|IT]], [[nuclear technology]] and [[space technology]]. ...only country constructing [[Russian floating nuclear power station|mobile nuclear plants]]. ...

...nd a period of 13.2&nbsp;±&nbsp;0.2&nbsp;days, which is unlikely to be the nuclear spin.<ref>{{Cite journal |last1=Gladman |first1=Brett |last2=Boley |first2= ...ame=Gray-FAQ /><ref name=Atel13100/> For comparison, the ''[[Voyager 1]]'' spacecraft, which is leaving the Solar System, is traveling at {{cvt|16.9|km/s|AU/year ...

{{see also|Fusion power#History|Timeline of nuclear fusion}} ...ial applications expanded to include warfare, energy production and rocket propulsion. ...

...tware Associates|access-date=17 November 2015}}</ref> The point at which a spacecraft comes closest to a ground observer is the ''time of closest approach''.<ref ...Drag (physics)|drag]] slows the [[spacecraft]]. Aerobraking is used when a spacecraft requires a low orbit after arriving at a body with an atmosphere, and it re ...

...teel]] was of interest as a potential cladding material for [[Nuclear fuel|nuclear fuel elements]]. Fulmer produced high purity chromium by [[Electrowinning|e ...in a collaborative programme on the development of ion thrusters for space propulsion. They constructed a Type T4A [[ion thruster|mercury ion thruster]] and a hi ...

...ikhanov]]''', a prominent researcher of [[cosmic rays]], built the first [[nuclear reactor]]s in the USSR, founder of [[Institute for Theoretical and Experime ...er of [[seaborgium]] and [[bohrium]], founder of the [[Joint Institute for Nuclear Research]] ...

...rboshaft]]s; both of which are types of turbines. In addition to providing propulsion, aircraft may employ a separate ICE as an [[auxiliary power unit]]. Wankel ...ocating IC are low speed CI engines of this type; they are used for marine propulsion (see [[marine diesel engine]]) or [[electric power generation]] and achieve ...

...me time 300&nbsp;g were returned by the uncrewed [[Luna programme|''Luna'' spacecraft]]. Recently, in 2020 ''[[Chang'e 5]]'' collected 1.7&nbsp;kg of lunar mater ...grains were collected during fly by of comet [[81P/Wild]] by ''[[Stardust (spacecraft)|Stardust]]'' that returned the samples to Earth in 2006. Their analysis pr ...

{{term|term='''[[Nuclear binding energy]]'''}}{{defn|defn=The difference between the total mass ener ...='''[[Nuclear engineering]]'''}}{{defn|defn=The profession that deals with nuclear power.}} ...

...ueloz|Gillon|Burdanov|2020|pp=3790–3808}} being just sufficient to allow [[nuclear fusion]] to take place.{{sfn|Goldsmith|2018|p=82}}{{sfn|Fischer|Saur|2019|p ...by humans with current or expected technology.{{sfn|Euroschool|2018|p=10}} Spacecraft mission designs using present-day rockets and [[gravity assist]]s would nee ...