ⓘ Astronomy - Astronomy, Astropheesics, Quark, Constellation, Metallicity, Celestial sphere, Solar mass, Stellar clessification, Islamic Gowden Age, Planet nine ..

Astronomy

Astronomy is a naitural science that studies celestial objects an phenomena. It applees mathematics, physics, an chemistry, in an effort tae expleen the oreegin o thae objects an phenomena an thair evolution. Objects o interest include planets, muins, starns, galaxies, an comets; while the phenomena include supernovae explosions, gamma ray bursts, an cosmic microwave backgrund radiation. Mair generally, aw astronomical phenomena that oreeginate ootside Yirds atmosphere are within the purview o astronomy. A relatit but distinct subject, physical cosmology, is concerned wi the study o the Un ...

Astropheesics

Astrophysics is the branch o astronomy that employs the principles o physics an chemistry "tae ascertain the naitur o the heivenly bouks, rather nor thair poseetions or motions in space." Amang the objects studied are the Sun, ither starns, galaxies, extrasolar planets, the interstellar medium an the cosmic microwave backgrund. Thair emissions are examined athort aw pairts o the electromagnetic spectrum, an the properties examined include luminosity, density, temperatur, an chemical composeetion. Acause astrophysics is a very broad subject, astrophysicists teepically apply mony disciplines ...

Quark

A quark is an elementary particle an a fundamental constituent o matter. Quarks combine tae furm composite pairticles cried hadrons, the maist stable o which are protons an neutrons, the components o atomic nuclei. Due tae a phenomenon kent as color confinement, quarks are never directly observed or foond in isolation; thay can be foond anly within hadrons, sic as baryons, an mesons. For this reason, much o what is kent aboot quarks haes been drawn frae observations o the hadrons themselves. Thare are sax types o quarks, kent as flavors: up, doun, strange, charm, bottom, an tap. Up an doun ...

                                     

ⓘ Astronomy

  • Astronomy frae Greek: αστρονομία is a naitural science that studies celestial objects an phenomena. It applees mathematics, physics, an chemistry, in
  • last o the 2000s decade. 2009 wis designatit the: Internaitional Year o Astronomy Internaitional Year o Naitural Fibres. Category: 2009 daiths Category: 2009
  • In modren astronomy a constellation is a internaitionally defined aurie o the celestial sphere. These auries is grouped aroond asterisms that is thairsels
  • An astronomer is a scientist in the field o astronomy wha concentrates thair studies on a speceefic quaisten or field ootside o the scope o Yird.
  • In astronomy an pheesical cosmology, the metallicity or Z is the fraction o mass o a starn or ither kind o astronomical object that isna in hydrogen X
  • In astronomy an navigation, the celestial sphere is an imaiginar sphere o arbitrarily muckle radius, concentric wi Yird. Aw objects in the observer s
  • The solar mass M is a staundart unit o mass in astronomy that is uised tae indicate the masses o ither starns, as well as clusters, nebulae an galaxies
  • Giants Bricht giants Supergiants Hypergiants absolute magni - tude MV In astronomy stellar clessification is the clessification o starns based on their
  • economic, an cultural flourishin. George Saliba 1994 A History of Arabic Astronomy Planetary Theories During the Golden Age of Islam, pp. 245, 250, 256 7
  • Astrophysics is the branch o astronomy that employs the principles o physics an chemistry tae ascertain the naitur o the heivenly bouks, rather nor thair
  • In astronomy Kepler s laws o planetary motion are three scienteefic laws describin the motion o planets aroond the Sun.
  • Physics and Astronomy Retrieved 29 Juin 2008. R. Nave. Quarks HyperPhysics. Georgia State University, Department of Physics and Astronomy Retrieved
                                     

2009

2009 wis a common year that stairtit on a Thursday in the Gregorian calendar. It wis the 2009t year o the Common Era or the Anno Domini designation, the 9t year o the 3rd millennium an the 21st century, an the 10t an last o the 2000s decade. 2009 wis designatit the: Internaitional Year o Naitural Fibres. Internaitional Year o Astronomy.

                                     

Constellation

In modren astronomy, a constellation is a internaitionally defined aurie o the celestial sphere. These auries is grouped aroond asterisms, that is patterns furmed bi prominent starns athin apparent proximity tae ane anither on Yirds nicht sky. Thare numerous historical constellations that isnae goamed bi the IAU or constellations goamed in regional tradeetions o astronomy or astrology, like Cheenese, Hindu an Australian Aboriginal.

                                     

Metallicity

In astronomy an pheesical cosmology, the metallicity or Z is the fraction o mass o a starn or ither kind o astronomical object that isna in hydrogen or helium.

                                     

Celestial sphere

In astronomy an navigation, the celestial sphere is an imaiginar sphere o arbitrarily muckle radius, concentric wi Yird. Aw objects in the observers sky can be thoucht o as projectit upon the inside surface o the celestial sphere, as if it wur the unnerside o a dome or a hemispherical screen. The celestial sphere is a practical tuil for spherical astronomy, allaein observers tae plot poseetions o objects in the sky when thair distances are unkent or unimportant.

                                     

Solar mass

The solar mass is a staundart unit o mass in astronomy that is uised tae indicate the masses o ither starns, as well as clusters, nebulae an galaxies.

                                     

Stellar clessification

In astronomy, stellar clessification is the clessification o starns based on their spectral chairacteristics. Electromagnetic radiation frae the starn is analysed bi splittin it wita prism or diffraction gratin intae a spectrum exhibiting the rainbowe o colours interspersed wi absorption lines.

                                     

Islamic Gowden Age

The Islamic Gowden Age refers tae the period in Islams history during the Middle Ages when much o the heestorically Arabic speakin warld wis ruled bi various caliphates, experiencin a scienteefic, economic, an cultural flourishin.

                                     

Planet nine

Planet nine is a theory that thare a nint planet in the solar seestem. The idea haes its springheid in the orbits o different asteroids aboot the same aurie at the faur end o the solar seestem. Acause thare mony asteroids in orbit aboot, it is thocht tha the planet is a muckle ane, ten times the mass o the Yird an fower times its bouk. The theory wis first set furth on the 20t Januar 2016, efter the first work on it in 2014.

                                     

Rosetta (spacecraft)

Rosetta is a robotic space probe biggit an launched bi the European Space Agency tae perform a detailed study o comet 67P/Churyumov–Gerasimenko. It wis lencht on the 2t o Mairch 2004 an feenisht its meesion on the 30t September 2016.