Sol
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Sol is the star at the centre of the Solar System and the closest star to Earth, which is why it commands the daytime sky at an apparent magnitude of −26.7 — far brighter than any other star. A B–V colour index of 0.656 corresponds to a yellow hue. Seen from the standard reference distance of 10 parsecs, however, Sol would dim to an absolute magnitude of 4.85, an ordinary value that ranks it among the common stars of the Galaxy rather than its luminous beacons. The gulf between its overwhelming apparent brightness and its modest intrinsic output follows directly from proximity: every other star lies light-years away, whereas Sol sits within the Solar System itself.
Physical Properties
| Color Index (B−V) | 0.656 |
Observation
| Apparent Magnitude | -26.70 |
| Absolute Magnitude | 4.85 |
Position
| Right Ascension | 0h 0.00m |
| Declination | 0° 0.00′ |
Related Chemistry
Explore the chemical elements connected to Sol on our sister site ChemFYI.
71% of the Sun's mass — the primary fusion fuel
27% of the Sun's mass — product of hydrogen fusion
Core element marking the endpoint of stellar nucleosynthesis
Catalyst in the CNO cycle, a secondary fusion pathway in the Sun
Part of the Science FYI Family