सूर्द्य
विकिपिडिया नं
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Observation data | |
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Mean distance from Earth |
149.6Template:E km (92.95Template:E 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 |
~2.5Template:E km (26,000-28,000 light-years) |
Galactic period | 2.25-2.50Template:E a |
Velocity | 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 | 1.392Template:E km (109 Earth diameters) |
Circumference | 4.373Template:E km (342 Earth diameters) |
Oblateness | 9Template:E |
Surface area | 6.09Template:E km² (11,900 Earths) |
Volume | 1.41Template:E km³ (1,300,000 Earths) |
Mass | 1.988 435Template:E 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) | 3.827Template:E W ~3.75Template:E lm (~98 lm/W efficacy) |
Mean Intensity (Isol) | 2.009Template:E 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) | |
Hydrogen | 73.46 % |
Helium | 24.85 % |
Oxygen | 0.77 % |
Carbon | 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।