Sun

Informazioni dettagliate

Informazioni Sun

The Sun is the star at the center of our Solar System. It is a nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating energy mainly as visible light and infrared radiation. It is by far the most important source of energy for life on Earth.

Fatti rapidi

  • Distance from Earth: ~149.6 million km (93 million miles) - 1 AU
  • Diameter: 1.39 million km (864,000 miles) - about 109 times Earth's
  • Mass: 1.989 × 10³⁰ kg - about 330,000 times Earth's mass
  • Surface temperature: ~5,778 K (5,505°C or 9,941°F)
  • Core temperature: ~15 million K (27 million°F)
  • Age: ~4.6 billion years
  • Luminosity: 3.828 × 10²⁶ watts
  • Spectral class: G2V (yellow dwarf star)
  • Rotation period: ~25 days (equator), ~35 days (poles)
  • Composition: ~73% hydrogen, ~25% helium, ~2% heavier elements

Scopri di più

NASA Sun Overview Solar Dynamics Observatory Parker Solar Probe SOHO Mission

La stella del nostro sistema solare

Dati solari

Proprietà Valore
Date: 2026-5-26
Time: 12:46:14
Posizione: Beijing
Latitude: 39.9042°
Longitude: 116.4074°
Timezone: Asia/Shanghai

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