Surya (simbol: ; Indonésia: Matahari, Inggris: Sun) ento bintang ané matongos di tengah tata surya, 1.496×108 km uli Gumi.
Gobanné bunter tur bentangné 1.392.684 km, kuang-lebih ping 109 bentang Guminé. Massané kuang-lebih 2×1030 kilogram, 330.000 ping massa Guminé. Surya malakar aji campuhan ané maadan "plasma" ané malakar aji hidrogén (73%), hélium (25%), ajak oksigén, karbon, néon muah besi abedik.
Poto ring sunar kacingak manut saking filter surya ring warsa 2013 sané wénten titik surya miwah limb darkening. | |
False-color potret kapotret ring warsa 2010 sané anggén cahaya ultraviolet (gelombang cahaya 30.4 nm) | |
Data observasi | |
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Mean distance from Earth | 1 au ≈ ×108 km 1.496 8 min 19 s at light speed |
Visual brightness (V) | −26.74 |
Absolute magnitude | 4.83 |
Spectral classification | G2V |
Metallicity | Z = 0.0122 |
Angular size | 31.6–32.7 minutes of arc |
Adjectives | Solar |
Orbital characteristics | |
Mean distance from Milky Way core | ≈ ×1017 km 2.7 27,200 light-years |
Galactic period | (2.25–2.50)×108 yr |
Velocity | ≈ (orbit around the center of the Milky Way) 220 km/s ≈ (relative to average velocity of other stars in stellar neighborhood) 20 km/s ≈ (relative to the cosmic microwave background) 370 km/s |
Physical characteristics | |
Equatorial radius | 695,700 km, 696,342 km 109 × Earth |
Equatorial circumference | ×106 km 4.379 109 × Earth |
Flattening | ×10−6 9 |
Area permukaan | ×1012 km2 6.09 12,000 × Earth |
Volume | ×1018 km3 1.41 1,300,000 × Earth |
Massa | ×1030 kg 1.9884 333,000 × Earth |
Average density | 1.408 g/cm3 × Earth 0.255 |
Center density (modeled) | 162.2 g/cm3 × Earth 12.4 |
Equatorial surface gravity | 274 m/s2 28 × Earth |
Moment of inertia factor | (estimate) 0.070 |
Escape velocity (from the surface) | 617.7 km/s 55 × Earth |
Suhu | Center (modeled): ×107 K 1.57 Photosphere (effective): K 5,772 Corona: ≈ ×106 K 5 |
Luminosity (Lsol) | ×1026 W 3.828 ≈ ×1028 lm 3.75 ≈ efficacy 98 lm/W |
Color (B-V) | 0.63 |
Mean radiance (Isol) | ×107 W·m−2·sr−1 2.009 |
Age | ≈ 4.6 billion years |
Karakteristik rotasi | |
Obliquity | 7.25° (to the ecliptic) 67.23° (to the galactic plane) |
Right ascension of North pole | 286.13° 19 h 4 min 30 s |
Declination of North pole | +63.87° 63° 52' North |
Sidereal rotation period (at equator) | 25.05 d |
(at 16° latitude) | 25.38 d 25 d 9 h 7 min 12 s |
(ring kutub) | 34.4 d |
Kecepatan rotasi (ring ekuator) | ×103 km/h 7.189 |
Komposisi Photospheric (manut massa) | |
Hidrogén | 73.46% |
Hélium | 24.85% |
Oksigén | 0.77% |
Karbon | 0.29% |
Wesi | 0.16% |
Néon | 0.12% |
Nitrogén | 0.09% |
Silikon | 0.07% |
Magnésium | 0.05% |
Urirang | 0.04% |
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