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...ugh the energetic collision of two nuclei. For example, at the core of the Sun protons require energies of 3–10 keV to overcome their mutual repulsion—the ...1-03 }}</ref> [[Helium]] was discovered in this way in the spectrum of the Sun 23&nbsp;years before it was found on Earth.<ref>{{cite web ...

...is a [[star]] in the [[constellation]] [[Cetus]] that is similar to the [[Sun]] in [[mass]] and [[Stellar classification|spectral type]]. At just under 1 ...Intelligence]] (SETI) searches, given its stability and similarity to the Sun, and it appears in some [[science fiction]] literature. ...

| metal=117<ref name="nras278" /><ref name="mnras267" />/– % Sun ...his is smaller than the orbit of [[Mercury (planet)|Mercury]] around the [[Sun]]. ...

...except Oberon (see below).<ref name=Grundy2006/> Because Uranus orbits the Sun almost on its side, and its moons orbit in the planet's equatorial plane, t ...e of the flyby the southern hemisphere of Oberon was pointed towards the [[Sun]], so the northern (dark) hemisphere could not be studied.<ref name=Smith19 ...

...ollection of atmospheric data would be relegated to times of day where the sun's electromagnetic emissions did not drown out the laser's signal. The addit ...px|A high resolution version of the spectrum and Fraunhofer lines of the [[Sun]]. Each of the 50 slices covers 60 angstroms, for a complete spectrum acros ...

...rus and [[Sirius]], one of the most [[luminosity|luminous]] stars in the [[Sun]]'s neighborhood. ...to be termed, "arguably the next most important star in the sky after the Sun".<ref name=apj429/> Historically, Vega served as the [[North Star|northern] ...

...t|delayed]] by the warping of [[space and time]] (blue lines) due to the [[Sun]]'s mass.]] ...ein predicted the [[Tests of general relativity#Deflection of light by the Sun|gravitational deflection of light]]: in a gravitational field, light is def ...

...ting for the Sun|The Metre<font color=black>"<br />"</font>Waiting for the Sun]] ...the album, like those on "[[The Metre/Waiting for the Sun|Waiting for the Sun]]", were his "most personal and direct yet".<ref name=PCentral39 /> Fanning ...

| metal = 10-32% [[Sun]]<ref name="Gizis">{{cite journal | author = Gizis, John E. | year = 1997| ...hich remains the largest known proper motion of any star relative to the [[Sun]].<ref name="EEB">{{cite journal ...

...ate matter]]. Because a white dwarf's mass is comparable to that of the [[Sun]] and its volume is comparable to that of the [[Earth]], it is very [[densi ...be, very roughly, 1,000,000 times greater than the average density of the Sun, or approximately 10⁶ [[gram]]s (1 [[tonne]]) per [[cubic centim ...

...group of objects that share the orbit of the planet [[Jupiter]] around the Sun. Relative to Jupiter, each Trojan [[Libration|librates]] around one of the ...y]] discovered an [[asteroid]] at the {{L4}} [[Lagrangian point]] of the [[Sun]]&ndash;[[Jupiter]] system, later named [[588 Achilles]].<ref name=Nicholso ...

...f photons within it. An example would be in the [[Solar core|core]] of the sun. Energy can take about a million years to reach the surface;<ref> ...p://books.google.com/books?id=06_9B7S_q_YC&pg=PA16&dq=million-year+surface+sun+photon&as_brr=3&ei=gYsyR6iELpLgtgOkttmvAQ&sig=70D3g1ajnoVyvnoY1qBAIV0yIf4 ...

...weight ratio of iron to [[silicon]] is 0.9:1.3 in Callisto, whereas the [[Sun|solar ratio]] is around 1.8.<ref name=Kuskov2005/> ...

...ang also posited theories about the [[Moon]] and its relationship to the [[Sun]]; specifically, he discussed the Moon's sphericity, its illumination by re ...angdui]]; this funerary banner shows a sliver moon in the top left and the sun in the top right, both with their cosmological representations of the toad ...

...]s are yellow, while Jupiter's are pink. The scattered objects between the Sun and the Kuiper belt are known as [[Centaur (planetoid)|centaurs]]. The scal ...nomical unit|AU]]) to approximately 55 [[Astronomical unit|AU]] from the [[Sun]]. <ref>{{cite journal | url=http://www.iop.org/EJ/article/0004-637X/490/2/ ...

...ri]] system, and it is the [[List of nearest stars|nearest star]] to the [[Sun]].<ref name="ESO2003"/> ...th of the Sun's, and its average [[density]] is about 40 times that of the Sun.<ref group="nb" name="density" /> Although it has a very low average [[lumi ...

'''Earth''' is the third [[planet]] from the [[Sun]], and the largest of the [[terrestrial planet]]s in the [[Solar System]] i ...fe for another 1.5 billion years, after which the rising luminosity of the Sun will eliminate the biosphere.<ref name=carrington /> ...

...one astronomical body around another, such as a planet revolving around a sun. For two bodies interacting by [[gravitation|Newtonian gravity]], the LRL ...

...es (right), as compared to absorption lines in the optical spectrum of the Sun (left). Arrows indicate redshift. Wavelength increases up towards the red a ...Moving towards or from the Earth], Also Observations on the Spectra of the Sun and of Comet II." (1868) ''Philosophical Transactions of the Royal Society ...

...ng [[neutron star]] which has about one and a half times the mass of the [[Sun]] but is only 25 km across (roughly the size of [[Madrid]]). The equipartit ...gure 8. Equipartition gives an accurate estimate of the temperature at the Sun's core.]] ...