[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [Jyotihshastra: Astral and Mathematical Literature](https://indike.org/pramana/ins.science.pingree-1981) › c4.s2.7 # Jyotihshastra: Astral and Mathematical Literature c4.s2.7 Jyotiḥśāstra: Astral and Mathematical Literature c4.s2.7 - **Language:** English ### [c4.s2.7](https://indike.org/pramana/ins.science.pingree-1981.c4.s2.7) ³⁰ D. PINGREE, “The Persian ‘Observation’ of the Solar Apogee in \*ca.\* A.D. 450,” JNES 24 (1965), 334–336. - [Previous: c4.s2.6](https://indike.org/pramana/ins.science.pingree-1981.c4.s2.6) - [Next: c4.s2.8](https://indike.org/pramana/ins.science.pingree-1981.c4.s2.8) - [Up: c4.s2](https://indike.org/pramana/ins.science.pingree-1981.c4.s2) --- Source: [https://indike.org/pramana/ins.science.pingree-1981.c4.s2.7](https://indike.org/pramana/ins.science.pingree-1981.c4.s2.7) · Pramāṇa