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{{Short description|Method to determine the temperature of central stars of planetary nebulae}} ...a method''' is a method to determine the temperature of central stars of [[planetary nebulae]]. It was developed by [[Herman Zanstra]] in 1927. ...

...anetary magnetism, to relate measurements of magnetic fields either at the planetary surface or in orbit above the planet to currents flowing in the planet's in ...ation of the Magnetic Field into External and Internal Parts|journal=Space Science Reviews|volume=152|issue=1–4|pages=135–157|doi=10.1007/s11214-009-9563-0|bi ...

...ant impacts phase, characterized by significant collisions between forming planetary bodies. These impacts play a pivotal role in shaping the structure, composi ...ing that substantial collisions between protoplanets could explain various planetary characteristics. Key milestones in this research include the formulation of ...

.... The term was coined by [[Isaac Asimov]] in ''The Magazine of Fantasy and Science Fiction'' in 1963.<ref name="Asimov">{{cite book |first= Isaac |last= Asimo The ratio 163 shows that the solar attraction is much weaker than the planetary attraction. ...

...s on planetary surfaces. The K/U ratio helps explain the evolution of the planetary system and the origin of Earth's moon. {{Main|Refractory (planetary science)}} ...

| Type = [[Outline of radio science|Radio science]]/[[Transponder]] ...7= Olivier |last28= Yseboodt |first28= Marie |journal= Planetary and Space Science |volume= 57 |issue= 8–9 |pages= 1050–1067 |bibcode= 2009P&SS...57.1050D }}< ...

...ronmental Hydraulics for Open Channel Flows |date=2004 |publisher=Elsevier Science |isbn=9780080472690 |page=83}}</ref> ==Planetary boundary layer== ...

...ity Index''' ('''ESI''') is a proposed characterization of how similar a [[planetary-mass object]] or [[natural satellite]] is to [[Earth]]. It was designed to The scale has no quantitative meaning for [[Planetary habitability|habitability]]. ...

...keeping and calendar construction, eclipses, heliacal rising and settings, planetary conjunctions, and the ''mahāpāta''-s.<ref name="Sahana"/> ..., Mathematical Explanation and Notes |journal=Indian Journal of History of Science |date=2006 |volume=41 |issue=1 Supplement |pages=S56-S65 |url=https://cahc. ...

...iption, Examples, & Facts {{!}} Britannica |url=https://www.britannica.com/science/Coriolis-force |access-date=2023-12-10 |website=www.britannica.com |languag ...ing Tops Explained |url=https://www.brucecharlesdesigns.com/blogs/news/the-science-behind-the-spin-the-physics-of-spinning-tops-explained |access-date=2023-12 ...

...onstantly decelerate the spaceship.<ref>{{Cite book|title=Calculations for Science Fiction Writers/Space Travel with Constant Acceleration - The Nonrelativist ...ant Language|edition=illustrated |first1=Don|last1=Koks|publisher=Springer Science+Business Media|year=2006|isbn=978-0-387-32793-8|page=242|url=https://books. ...

{{short description|Old star with a planetary system}} ...ecraft)|Kepler space observatory]], it has since been found to possess a [[planetary system]] consisting of at least three planets and while it has a similar ma ...

...= Preliminary reference Earth model |journal = [[Physics of the Earth and Planetary Interiors]] |year = 1981 |volume = 25 |issue = 4 |pages = 297–356 |doi=1 ...

...</ref><ref name="WH 2006">Wallace, J.M., Hobbs, P.V. (2006). ''Atmospheric Science: An Introductory Survey'', 2nd edition, Elsevier, Amsterdam, {{ISBN|978-0-1 ==In astronomy and planetary science== ...

|publisher = Carnegie Institution for Science |work = Earth & Planetary Laboratory ...

...p dust particles which in turn can facilitate planetesimal growth in proto-planetary discs.<ref name=":1">{{cite journal | last1=Lyra | first1=W. | last2=Johans ...C | volume=272 |title=Global Observations of Oceanic Rossby Waves |journal=Science |pages=234–238|year=1996|last1=Chelton|first1=D. B.|last2=Schlax|first2=M. ...

...to date the [[planetary differentiation|differentiation]] of a planet's [[planetary core|core]]. It is also useful in determining the formation times of the p ...chronology of core formation in planetesimals |journal=Earth and Planetary Science Letters |date=January 2013 |volume=361 |pages=162–172 |doi=10.1016/j.epsl.2 ...

...], although other phenomenon can also be responsible which is why the term planetary candidate is used.<ref name = "Morton">{{Cite journal | last1=Morton | firs ...e web|title=Kepler Input Catalog search result|publisher=[[Space Telescope Science Institute]]|url=http://archive.stsci.edu/kepler/kic10/search.php?kic_kepler ...

...first introduced in 1966 as a closed helical tube which was rotated on a "planetary" axis as is turned on a "sun" axis. ...iquid chromatographic theory. Countercurrent chromatography usually uses a planetary gear motion without rotary seals, while centrifugal partition chromatograph ...

...er (the emission level) will thus radiate as a blackbody at the planet's [[Planetary equilibrium temperature|equilibrium temperature]].<ref name=":0" /><ref nam ...inceton|pages=59|oclc=46822409}}</ref><ref>{{Cite book|title=Principles of Planetary Climate|last=Pierrehumbert|first=Raymond T.|publisher=Cambridge University ...