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[[File:Helios Dust1.jpg|thumb|Schematic view of the Helios spacecraft with the three photometers (P15, P30, and P90) of the Zodiacal light instru ...Comet or meteoroid streams, and even [[interstellar dust]] were identified in the data. ...

...rl = https://web.archive.org/web/20100527144930/http://saturn.jpl.nasa.gov/spacecraft/safety/rhu.pdf|archive-date = May 27, 2010}}</ref> ...United States tested the [[SNAP-10A]] nuclear reactor in space for 43 days in 1965,<ref name=zaitsev/> with the next test of a nuclear reactor power syst ...

* 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. ...

...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. ...

...]|[[Iraq War|Iraq Campaign]]<ref name="auto1">{{cite web|title=Space Power in the Gulf|first=Robert S.|last=Dudney|date=June 1, 2003|url=https://www.aira ...errorism|Global War on Terrorism]]|[[File:Streamer_AFGCS.PNG|200px]]|[[War in Afghanistan (2001–2021)|Afghanistan Campaign]]|[[File:Iraq Campaign streame ...

...e:Barnard2005.gif|thumb|[[Barnard's Star]], showing position every 5 years in the period 1985–2005. Barnard's Star is the star with the highest [[proper In [[astronomy]], '''stellar kinematics''' is the [[Observational astronomy|ob ...

...], while modifying [[Newton's laws of motion|Newton's second law]] results in modified inertia. The latter has received little attention compared to the ...modifies Newton's laws for extremely small accelerations which are common in galaxies and galaxy clusters. This provides a good fit to galaxy rotation c ...

{{Short description|List of definitions of terms and concepts commonly used in aerospace engineering}} ...or (in [[broadcast engineering]]) [[height above average terrain]] (HAAT). In other words, these expressions (AGL, AMSL, HAAT) indicate where the "zero l ...

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]] ...

| 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 ...

...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. ...

...2962 }} The [[Planck (spacecraft)#2015 data release|Planck Collaboration]] in 2015 published the estimate of 13.799 ± 0.021 billion years ago (68% confid ...law#Laws of physics|laws of physics]] may not have applied; the emergence in stages of the four known [[fundamental interaction]]s or [[force]]s—first [ ...

...[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 ...