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...(astronomy)|syzygy]]}} Because the term ''supermoon'' is [[astrological]] in origin, it has no precise [[astronomical]] definition.<ref name="Discover"> The name ''supermoon'' was coined by [[astrologer]] Richard Nolle in 1979, in ''[[Dell Horoscope]]'' magazine arbitrarily defined as: ...

...ar flare]], [[solar particle event]], and [[geomagnetic storm]] components in early August 1972, during [[solar cycle 20]]. The storm caused widespread e ...bibcode = 1976SSRv...19..661S |s2cid = 122207841 }}</ref><ref name="Tanaka 1976">{{cite journal |last = Tanaka |first = K. |author2 = Y. Nakagawa |title = ...

...impulse]] is required, the nuclear core is "switched on" to a pulsed mode. In this mode, the fuel is continuously quenched and instantaneously healed by ...for [[thrust]] and [[specific impulse]] (''I''_sp) amplification in a conventional nuclear thermal rocket.<ref name=arias16>{{cite journal| las ...

Inertial navigation is a self-contained navigation technique in which measurements provided by accelerometers and gyroscopes are used to tr ...ensors. The advantage of an INS is that it requires no external references in order to determine its position, orientation, or velocity once it has been ...

...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 ...

...lace snow packs, and the aggregate properties of regions with snow cover. In doing so, they employ on-the-ground physical measurement techniques to esta ...ceding [[Wilson Bentley]]'s series of photographs of individual snowflakes in the ''Monthly Weather Review''. ...

{{Short description|System consisting of two black holes in close orbit around each other}} ...binary''', is an [[astronomical object]] consisting of two [[black hole]]s in close orbit around each other. Like black holes themselves, binary black ho ...

...com/article/us-britain-hawking-ashes/stephen-hawking-to-join-newton-darwin-in-final-resting-place-idUSKBN1GW2GV |archive-date=21 March 2018 |url-status=l ...dal]] (2006)|[[Presidential Medal of Freedom]] (2009)|[[Breakthrough Prize in Fundamental Physics]] (2012)|[[BBVA Foundation Frontiers of Knowledge Award ...

{{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 ...

...e for the persistent "background" emissions that slowly vary as structures in the atmosphere evolve. The latter two processes are ''coherent'' mechanisms ...s=487|via=}}</ref> The existence of such extraordinarily high temperatures in the corona had previously been indicated by optical [[Astronomical spectros ...

...are hypothetical [[black hole]]s that formed soon after the [[Big Bang]]. In the [[inflationary era]] and early [[Scale factor (cosmology)#Radiation-dom ...75 |doi-access=free}}</ref> However, their existence remains hypothetical. In September 2022, primordial black holes were proposed by some researchers to ...

...erary language by combining [[Old Church Slavonic]] with vernacular tongue in his early grammar; influenced [[Russian poetry]] through his [[ode]]s ...ed earth]] technology for northern climate and built the [[Priory Palace]] in [[Gatchina]], pioneered [[HVAC]] technology, invented [[carton-pierre]] ...

...electron microscope]] (SEM) photo of a dust particle collected by [[NASA]] in the [[stratosphere]] together with its [[energy-dispersive X-ray spectrosco ...n in order to obtain information on the [[astronomical object]]s occurring in [[outer space]]. Dust astronomy overlaps with the fields of [[Planetary sci ...

...[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 ...