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Faili:Alpha Centauri relative sizes.svg

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Faili halisi (faili la SVG, husemwa kuwa piseli 452 × 164, saizi ya faili: 17 KB)

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Muhtasari

Maelezo
English: A comparison of the sizes and colors of the stars in the Alpha Centauri system with the Sun.
Español: Comparación del tamaño y color de las tres estrellas de Alfa Centauri con nuestro sol.
Français : Comparaison en taille et couleur des trois étoiles d'Alpha Centauri avec le soleil.
Tarehe Original bitmap uploaded January 29, 2005, SVG version uploaded 2007-07-10.
Chanzo SVG rendering of the program used to generate the bitmap image Image:Alpha_Centauri_relative_sizes.png
Mwandishi
Matoleo mengine

Bitmap rendering of almost identical program: Image:Alpha_Centauri_relative_sizes.png

  • македонски
    македонски
SVG genesis
InfoField
 
The SVG code is valid.
 
This vector image was created with MetaPost.
Msimbo chanzo
InfoField

PostScript code

metapost-source 
prologues := 3;

verbatimtex
\font\foo=cmss9 at 10pt
\foo
etex

sunrad=0.3in;
alpharad = 1.227*sunrad;
betarad = 0.865*sunrad;
proximarad = 0.145*sunrad;
gap = 0.8*sunrad;

pair sunpos, alphapos, betapos, proximapos;
sunpos = (0 + gap + sunrad, 1.9*sunrad);
alphapos = sunpos + (sunrad + gap + alpharad, 0);
betapos = alphapos + (alpharad + gap + betarad, 0);
proximapos = betapos + (betarad + gap + proximarad, 0);

beginfig(1);

  fill unitsquare xscaled ((xpart proximapos) + proximarad + gap)
    yscaled (2 * (ypart sunpos));

  fill fullcircle scaled (2*sunrad) shifted sunpos
    withcolor (1,0.960,0.949);   % Color is fff1ed
  label.bot(btex Sun etex, sunpos - (0, sunrad)) withcolor white;

  fill fullcircle scaled (2*alpharad)
    shifted alphapos
    withcolor (1,0.960,0.949);
  label.bot(btex $\alpha$ Centauri A etex, alphapos - (0, alpharad))
    withcolor white;

  fill fullcircle scaled (2*betarad)
    shifted betapos
    withcolor (1,0.878,0.737);  % ffe0bc
  label.bot(btex $\alpha$ Centauri B etex, betapos - (0, betarad))
    withcolor white;

  fill fullcircle scaled (2*proximarad)
    shifted proximapos
    withcolor (1,0.752,0.411);  % ffcc6f
  label.bot(btex Proxima etex, proximapos - (0, proximarad))
    withcolor white;

endfig;
end;

References

  • I took the star colors from [1], which indicates they're only approximate. Apparently there are inherent difficulties in representing a star's color on a computer monitor.
  • I took the star radii from [2].

Hatimiliki

I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Ruhusa inakubalika kunakili, kusambaza na/au kurekebisha chini ya matakwa ya GNU Free Documentation License, Toleo 1.2 au toleo lolote lile la baadaye ambalo litachapishwa na Free Software Foundation; lisilo na Sehemu Tofauti, lisilo na Maandishi-Kava-Kwa-Mbele, na lisilo na Maandishi-Kava-Kwa -Nyuma. Nakala ya hatimiliki inajumlishwa kwenye sehemu ilioitwa GNU Free Documentation License.
w:en:Creative Commons
sifa shiriki sawa 		Faili hii imeidhinishwa chini ya Creative Commons Attribution- Attribution-Share Alike 3.0 Unported leseni.
Uko huru:
  • kushiriki – kunakili na kusambaza kazi hiyo
  • kwa remix – kurekebisha kazi
Chini ya masharti yafuatayo:
  • sifa – Ni lazima utoe mkopo unaofaa, utoe kiungo cha leseni, na uonyeshe ikiwa mabadiliko yalifanywa. Unaweza kufanya hivyo kwa njia yoyote inayofaa, lakini si kwa njia yoyote inayopendekeza mtoa leseni akuidhinishe wewe au matumizi yako.

shiriki sawa – Ukichanganya, kubadilisha, au kujenga juu ya nyenzo, lazima usambaze michango yako chini ya same or compatible license kama ya awali.

This licensing tag was added to this file as part of the GFDL licensing update.
w:en:Creative Commons
sifa shiriki sawa
This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Uko huru:
  • kushiriki – kunakili na kusambaza kazi hiyo
  • kwa remix – kurekebisha kazi
Chini ya masharti yafuatayo:
  • sifa – Ni lazima utoe mkopo unaofaa, utoe kiungo cha leseni, na uonyeshe ikiwa mabadiliko yalifanywa. Unaweza kufanya hivyo kwa njia yoyote inayofaa, lakini si kwa njia yoyote inayopendekeza mtoa leseni akuidhinishe wewe au matumizi yako.
shiriki sawa – Ukichanganya, kubadilisha, au kujenga juu ya nyenzo, lazima usambaze michango yako chini ya same or compatible license kama ya awali.
Unaweza kuchagua leseni ya chaguo lako.
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Tarehe/SaaPicha ndogoVipimoMtumiajiMaelezo
sasa hivi23:22, 9 Julai 2008Picha ndogo ya toleo la 23:22, 9 Julai 2008452 × 164 (17 KB)Qef{{Information |Description={{en|1={{en|A comparison of the sizes and colors of the stars in the Alpha Centauri system with the Sun.}} {{es|Comparación del tamaño y color de las tres estrellas de Alfa Centauri con nuestro sol.}}}} |S

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