सूर्द्य
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तथ्य | |
---|---|
पृथ्वीं मध्यम दूरी | 149.6×10६ km (92.95×10६ mi) (8.31 minutes at the speed of light) |
Visual brightness (V) | −26.8m |
Absolute magnitude | 4.8m |
Spectral classification | G2V |
Orbital characteristics | |
Mean distance from Milky Way core |
~2.5×10१७ km (26,000-28,000 light-years) |
Galactic period | 2.25-2.50×10८ a |
गति | 217 km/s orbit around the center of the Galaxy, 20 km/s relative to average velocity of other stars in stellar neighborhood |
Physical characteristics | |
Mean diameter | 1.392×10६ km (109 Earth diameters) |
Circumference | 4.373×10६ km (342 Earth diameters) |
Oblateness | 9×10−6 |
सतह क्षेत्रफल | 6.09×10१२ km² (11,900 Earths) |
Volume | 1.41×10१८ km³ (1,300,000 Earths) |
मात्रा | 1.988 435×10३० kg (332,946 Earths) |
Density | 1.408 g/cm³ |
Surface gravity | 273.95 m s-2 (27.9 g) |
Escape velocity from the surface |
617.54 km/s
(55 Earths) |
Surface temperature | 5785 K |
Temperature of corona | 5 MK |
Core temperature | ~13.6 MK |
Luminosity (Lsol) | 3.827×10२६ W ~3.75×10२८ lm (~98 lm/W efficacy) |
Mean Intensity (Isol) | 2.009×10७ W m-2 sr-1 |
Rotation characteristics | |
Obliquity | 7.25° (to the ecliptic) 67.23° (to the galactic plane) |
Right ascension of North pole[१] |
286.13° (19 h 4 min 30 s) |
Declination of North pole |
+63.87° (63°52' North) |
Rotation period at equator |
25.3800 days (25 d 9 h 7 min 13 s)[१] |
Rotation velocity at equator |
7174 km/h |
Photospheric composition (by mass) | |
हाइड्रोजन | 73.46 % |
हेलियम | 24.85 % |
अक्सिजन | 0.77 % |
कार्बन | 0.29 % |
Iron | 0.16 % |
Neon | 0.12 % |
Nitrogen | 0.09 % |
Silicon | 0.07 % |
Magnesium | 0.05 % |
Sulphur | 0.04 % |
सूर्द्य छगु नगु खः। थ्व नगु पृथ्वीयागु दक्ले नापं यागु नगु खः। थुकिगु दथुइ हाइड्रोजन व हेलियम वायु दु। थ्व नगुय् जुया च्वंगु न्युक्लियर फ्युजियन रसायनिक प्रक्रिया नं उत्पत्ति जुगु उर्जा ज: व तापयागु रुपे पृथ्वी तक्क थ्येनि। वैज्ञानिकतेगु कथलं थ्व छगु मध्यम ग्वयागु नगु खः।
लिधंसा[सम्पादन]
- ↑ १.० १.१ Seidelmann, P. K.; V. K. Abalakin; M. Bursa; M. E. Davies; C. de Bergh; J. H. Lieske; J. Oberst; J. L. Simon; E. M. Standish; P. Stooke; P. C. Thomas (2000). Report Of The IAU/IAG Working Group On Cartographic Coordinates And Rotational Elements Of The Planets And Satellites: 2000. 2006-03-22 कथं।