System // Entry 000 — Calibration Reference

The Sun

Section 01

General Information

Spectral type
G2 V
Teff
5778 K
log g
4.44
[Fe/H]
0.00 dex
Age
4.6 Gyr
Planets
8
Reference
Asplund 2021
NASA/SDO solar image showing the Sun's photosphere and active regions
Credit: NASA/SDO
// INTERACTIVE ORBITAL MAP — SOL SYSTEM //
Click any planet or Vesta for physical and diagnostic details
NOT TO SCALE — orbital spacing uses a logarithmic AU transform; object markers are schematic.
Geometry: JPL Solar System Dynamics semimajor axes · Conservative HZ (0.99–1.70 AU): Kopparapu et al. (2013)

Section 02

NASA Interactive Visualization

// SYSTEM SCAN — NASA SOLAR SYSTEM — EYES ON THE SOLAR SYSTEM //
Interactive: NASA Eyes on the Solar System / JPL Open full app ↗

Section 03

Solar Photospheric Abundances

Loading the Solar reporting model…

Section 04

Instruments & Coverage

Section 05

Sources & Credits

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