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## The Eighteenth Praabhrut
**Dimensions of the Moon-Vehicle, Sun-Vehicle, Earth-Vehicle, and Star-Vehicles**
**Q. A.** What is the **Aayam-Vikkhambha** (length and breadth) of the Moon-Vehicle?
**B.** What is its **Parikkheva** (circumference)?
**C.** What is its **Baahalla** (thickness)?
**A. A.** It is **56/1** **Yojanas** in **Aayam-Vikkhambha**.
**B.** It is **three times** its **Aayam-Vikkhambha** plus **one** **Yojana** in **Parikkheva**.
**C.** It is **28/1** **Yojanas** in **Baahalla**.
**Q. A.** What is the **Aayam-Vikkhambha** of the Sun-Vehicle?
**B.** What is its **Parikkheva**?
**C.** What is its **Baahalla**?
**A. A.** It is **81/2** **Yojanas** in **Aayam-Vikkhambha**.
**B.** It is **three times** its **Aayam-Vikkhambha** plus **one** **Yojana** in **Parikkheva**.
**C.** It is **24/1** **Yojanas** in **Baahalla**.
**Q. A.** What is the **Aayam-Vikkhambha** of the Earth-Vehicle?
**B.** What is its **Parikkheva**?
**C.** What is its **Baahalla**?
**A. A.** It is **1/2** **Yojana** in **Aayam-Vikkhambha**.
**B.** It is **three times** its **Aayam-Vikkhambha** plus **one** **Yojana** in **Parikkheva**.
**Q. A.** What is the **Aayam-Vikkhambha** of the Moon-Sphere?
**B.** What is its **Parikkheva**?
**C.** What is its **Baahalla**?
**A. A.** It is **56/61** **Yojanas** in **Aayam-Vikkhambha**.
**B.** It is **three times** its **Aayam-Vikkhambha** plus **one** **Yojana** in **Parikkheva**.
**C.** It is **28/61** **Yojanas** in **Baahalla**.
The Moon-Sphere is divided into **61** parts.
This Sutra clearly states that the Moon-Vehicle and the Moon-Sphere are the same.
**Jambudvipa-Vyakhyana 7, Sutra 145**
**Samavayanga 61, Sutra 3**
**[171]**