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...the mission objectives and altitude, [[spaceflight]] using this form of [[spacecraft propulsion]] is theorized to be significantly less expensive than spaceflig ...ital plasma dynamics. Five main techniques for employing space tethers are in development:<ref>{{cite journal|last=Finckenor|first=Miria|author2=AIAA Tec ...

* Cost: Price for a launch at this time, in millions of US$ ...e intention of reaching orbit). Suborbital tests launches are not included in this listing. ...

...2I/Borisov]] comet, the second confirmed interstellar object, photographed in late-2019 beside a distant galaxy]] ...teroid]]s and [[exocomet]]s<ref name="Valtonen" /><ref name="Francis" />). In the latter case, the object may be called an '''interstellar interloper'''. ...

...lar System]], as well as the potential hazards posed by these particles to spacecraft and other space-borne assets. The measurement of space dust requires the us ...count-rates recorded were due to noise generated by temperature variations in Earth orbit. ...

...of [[mass–energy]]. A stationary [[Field (physics)|field]] is one that is in a steady state, but the masses causing that field may be non-static ⁠— rota ...on its rotation. The Lense–Thirring effect is very small – about one part in a few trillion. To detect it, it is necessary to examine a very massive obj ...

The following events occurred in '''July 1962''': ...962 |page=5}}</ref> [[Grégoire Kayibanda]] of the [[Hutu]] tribe was sworn in as [[President of Rwanda]] at [[Kigali]], and [[Mwambutsa IV of Burundi|Mwa ...

| industry = Technical and scientific services in materials technology and related fields | successors = Parts acquired in 1990 by {{Unbulleted list | [[British Non-Ferrous Metals Research Associati ...

| caption = Neptune in true colour;<ref>{{Cite journal |last1=Irwin |first1=Patrick G. J. |last2=D ...s at the precise [[J2000]] epoch. Barycentre quantities are given because, in contrast to the planetary centre, they do not experience appreciable change ...

...ymer electrolytes#Gel polymer electrolyte|gel polymer electrolyte]]s found in conventional batteries.<ref name="WiredUK">{{cite magazine|last1=Vandervell ...arly 21st century generated renewed interest in the technology, especially in the context of [[electric vehicle]]s. ...

...ntific fields allows for the prediction of some far-future events, if only in the broadest outline.<ref name="NYT-20230502">{{cite news |last=Overbye |fi ...iant]] and whether [[proton decay]] will be the eventual end of all matter in the universe. ...

The '''history of nuclear fusion''' began early in the 20th century as an inquiry into how stars powered themselves and expand ...ly 2015}}</ref> [[Quantum tunneling]] was discovered by [[Friedrich Hund]] in 1929, and shortly afterwards [[Robert d'Escourt Atkinson|Robert Atkinson]] ...

...an be up to 200&nbsp;μm thick. Thin-film solar cells are commercially used in several technologies, including [[Cadmium telluride photovoltaics|cadmium t ...]]-[[crystalline silicon]]. This is the dominant technology currently used in most [[solar PV systems]]. Most thin-film solar cells are classified as ''s ...

...[https://books.google.com/books?id=whc4AAAAMAAJ&pg=PT5 digitized version] in [[Google Books]].</ref>]] ...radiation]], radioactive substances such as [[radon]] and [[radium]] found in the environment, and the potential health hazards of non-ionizing radiation ...