Search results

...y | first2 = G.K. | year = 1986 | title = Collective relaxation of stellar systems | url = | journal = Astronomy & Astrophysics | volume = 160 | issue = | pag ...77486-4}}</ref> Among the efficient methods of study of N-body gravitating systems are the numerical simulations, particularly, [[Sverre Aarseth]]'s<ref>{{cit ...

...or Scientific Research]] (CNRS), and a member of ''Astronomy and dynamical systems'' of the Institute of Celestial Mechanics and Computation of Ephemerides (F ...scales <ref>[http://www.imcce.fr/Equipes/ASD/person/Laskar/jxl_insola.html Astronomical study of paleoclimate Earth and Mars]</ref> ...

[[Category:Astronomical dynamical systems]] ...

|journal=The Astronomical Journal |title = Chaotic Behaviour of Deterministic Systems ...

{{Short description|Dynamical instability of thin or elongated galaxies}} The '''firehose instability''' (or '''hose-pipe instability''') is a dynamical [[instability]] of thin or elongated [[Galaxy|galaxies]]. The instability c ...

...ars were separated by 5.1 [[arc second]]s, which is equivalent to 112.41 [[astronomical unit]]s.<ref name=poveda/> | journal=The Astronomical Journal | volume=128 ...

...round. This shift is the apex angle in an [[isosceles triangle]], with 2 [[astronomical unit|AU]] (the distance between the extreme positions of Earth's orbit arou ...tars in the [[Milky Way]] disk, this corresponds to a mean baseline of 4 [[astronomical unit|AU]] per year, while for halo stars the baseline is 40 AU per year. Af ...

{{Infobox astronomical event ...ike binary black hole merger systems |journal=Monthly Notices of the Royal Astronomical Society |volume=523 |issue=4 |pages=5565–5582 |doi=10.1093/mnras/stad1800 | ...

...–215 in The Henry Draper Memorial, Annie J. Cannon, ''Journal of the Royal Astronomical Society of Canada'' '''9''', #5 (May–June 1915), pp. 203–215, {{bibcode|191 ...|publisher=Sol Company |date=2008 }}</ref> the [[European Organisation for Astronomical Research in the Southern Hemisphere]] (''ESO'') announced that they had dis ...

...ne or in collaboration,<ref>F. Diacu, Near-Collision Dynamics for Particle Systems with Quasihomogeneous Potentials, [[Journal of Differential Equations]], 12 ...but not in elliptic and hyperbolic space, and if they can be found through astronomical observations, then space must be Euclidean. ...

...i Stars and New Type II Cepheids in the Large Magellanic Cloud|journal=The Astronomical Journal|volume=115|issue=5|pages=1921|last1=Alcock|first1=C.|last2=Allsman| .../ref><ref>{{cite journal|doi=10.1137/0143052|title=Amplitude Equations for Systems with Competing Instabilities|journal=SIAM Journal on Applied Mathematics|vo ...

...odetic]], and the [[geocentric coordinate system|geocentric]] [[coordinate systems]] for [[planet]]s other than Earth. Similar coordinate systems are defined for other solid [[celestial bodies]], such as in the ''[[seleno ...

| semimajor = 0.1251 (± 0.03) [[astronomical unit|AU]] The orbit of Gliese 667Cc has a [[semi-major axis]] of 0.1251 [[astronomical unit]]s, making its year 28.155 Earth-days long. Based on its host star's b ...

...body]] of the [[Solar System]] – thus completing a full cycle of [[season|astronomical season]]s. For example, it is the time from [[March equinox|vernal equinox] The tropical year is one type of [[astronomical year]] and particular [[orbital period]]. Another type is the [[sidereal ye ...

...llar black hole]]s, formed either as remnants of high-mass [[binary star]] systems or by [[stellar dynamics|dynamic processes]] and mutual capture; and binary ...5? |journal=The Astrophysical Journal |language=en |publisher=The American Astronomical Society |volume=604 |issue=1 |pages=L33–L36 |arxiv=astro-ph/0411167 |bibcod ...

...ions are determined empirically by determining the mass of stars in binary systems to which the distance is known via standard parallax measurements or other ...or a Refined Set of Late-K/M Dwarfs|journal=Research Notes of the American Astronomical Society|volume=2a | pages=19 | bibcode = 2018RNAAS...2a..19C | doi = 10.384 ...

...w, and thus, have no significant role outside of [[Dense|extremely dense]] systems, neutron-rich and free electron-rich environments, such as the inner crust ...tion towards SNa&nbsp;Ia explosion |journal=[[Monthly Notices of the Royal Astronomical Society]] |volume=448 |issue=3 |pages=2100–2125 |doi=10.1093/mnras/stv084 | ...

...s of stars under the influence of [[gravity]]. Stellar-dynamical models of systems such as galaxies or star clusters are often compared with or tested against | journal=Astronomical Journal | date=1987 ...

.../www.phys.lsu.edu/mog/mog9/node9.html |date=2010-07-13 }} Today, automated astronomical observations from satellites and spacecraft require relativistic correction In particular, the astronomical observatories maintained for religious purposes became accurate enough to a ...

...ps://astrobites.org/2015/09/09/chondrules-are-old-and-everywhere-are-solar-systems-solid-bodies-built-by-them/|website=Astrobites|date=9 September 2015 |acces ...e=Dynamics of pebbles in the vicinity of a growing planetary embryo: hydro-dynamical simulations|journal=Astronomy & Astrophysics|date=2012|volume=546|page=A18| ...