Convert Sun's Radius (R☉) to Bohr Radius (a₀) instantly.
Sun's Radius to Bohr Radius conversion
1 Sun's Radius (R☉) = 13152493000000000000 Bohr Radius (a₀). To convert Sun's Radius to Bohr Radius, multiply the value by 13152493000000000000.
| Sun's Radius (R☉) | Bohr Radius (a₀) |
|---|---|
| 1 | 13152493000000000000 |
| 2 | 26304986000000000000 |
| 5 | 65762464000000000000 |
| 10 | 131524930000000000000 |
| 25 | 328812320000000000000 |
| 50 | 657624640000000000000 |
| 100 | 1.3152493e+21 |
| 1000 | 1.3152493e+22 |
Frequently asked questions
How many Bohr Radius are in one Sun's Radius?
One Sun's Radius (R☉) equals 13152493000000000000 Bohr Radius (a₀).
How do I convert Sun's Radius to Bohr Radius?
To convert Sun's Radius to Bohr Radius, multiply the value by 13152493000000000000.
What is 10 Sun's Radius in Bohr Radius?
10 Sun's Radius = 131524930000000000000 Bohr Radius.
About these units
Sun's Radius (R☉)
The Sun's radius is approximately 696,340 km, representing the distance from the Sun's center to its photosphere. This measure is essential for understanding solar structure, luminosity, and energy output. Stellar astronomers use the Sun's radius as a benchmark for comparing other stars, often expressing their size in multiples of R☉. Precise knowledge of the Sun's radius aids in modeling solar evolution, predicting solar cycles, and calculating irradiance impacting Earth's climate and space weather. It serves as a fundamental scale for both astrophysics and heliophysics.
Bohr Radius (a₀)
The Bohr radius, equal to approximately 5.29177 × 10⁻¹¹ meters, is the most probable distance between the electron and nucleus in the ground state of hydrogen according to the Bohr model. While modern quantum mechanics has evolved far beyond the Bohr model, the radius remains a remarkably accurate approximation for average atomic dimensions. The Bohr radius acts as a natural "yardstick" for the size of atoms and is frequently used in atomic physics and quantum chemistry. Many atomic properties — orbital sizes, electron probability distributions, and energy levels — are conveniently expressed in multiples of the Bohr radius. Because it reflects fundamental constants, including Planck's constant and the electron charge, the Bohr radius also appears in theoretical analyses of physical systems and helps unify atomic physics concepts across different contexts.