Convert Sun's Radius (R☉) to Reed (reed) instantly.
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.
Reed (reed)
The reed is a smaller unit than the long reed, typically about 1 cubit, and was widely used in Mesopotamia, Egypt, and biblical times. It functioned as a standard measure for construction, religious architecture, and land surveys. Reeds were particularly useful in field work, where repetitive human-scale measurements could be performed quickly. They also served as a practical calibration tool for larger units like rods, chains, and long reeds. The reed is frequently mentioned in ancient texts, highlighting its role in the organization of public works, the construction of sacred buildings, and the measurement of land.